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  1. <?php
  2.  
  3. $n = 10007;
  4. echo ceil(log10(sqrt(2 * M_PI * $n)) + log10($n / M_E) * $n);
  5.  
Success #stdin #stdout 0.02s 24620KB
comments (?)
stdin 
Standard input is empty
stdout 
35688
https://ideone.com/jL0ZGB
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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