diff --git a/utils/format_number.py b/utils/format_number.py
index 7759bab..bcc1e9b 100644
--- a/utils/format_number.py
+++ b/utils/format_number.py
@@ -2,13 +2,20 @@ from decimal import Decimal
 
 def format_number(number):
     number = Decimal(str(number))
+    integer_part = number // 1
+    fractional_part = number - integer_part
 
-    formatted_integer_part = '{:,.0f}'.format(number // 1).replace(',', ' ')
-    fractional_part = f"{number % 1:.30f}".split('.')[1]
+    formatted_integer = '{:,.0f}'.format(integer_part).replace(',', ' ')
 
-    if int(fractional_part) == 0:
-        return formatted_integer_part + ''
-    
-    significant_start = next((i for i, char in enumerate(fractional_part) if char != '0'), len(fractional_part))
-    result_fractional = fractional_part[:significant_start + 3]
-    return formatted_integer_part + '.' + result_fractional
+    if fractional_part == 0:
+        return formatted_integer
+
+    fractional_str = f"{fractional_part:.30f}".split('.')[1]
+    first_non_zero = next((i for i, char in enumerate(fractional_str) if char != '0'), len(fractional_str))
+    result_fractional = fractional_str[:first_non_zero + 3]
+    result_fractional = result_fractional.rstrip('0')
+
+    if not result_fractional:
+        return formatted_integer
+
+    return f"{formatted_integer}.{result_fractional}"