Compute the Euler's phi function of a large integer.

For more information about this topic please visit: Euler's totient function.

With these constraints:

  • n is a nonnegative integer greater than 0.
  • "large integer" means 32bit integer
  • vectorized Input

Examples:

  1. eulerphi(4) = 2
  2. eulerphi(11) = 10
Solve

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Last Solution submitted on Apr 20, 2026

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Hoang Minh Tri Anubhav Declan Lorenzo

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