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Problem 248: Numbers for which Euler’s totient function equals 13!

curriculum/challenges/english/blocks/project-euler-problems-201-to-300/5900f4651000cf542c50ff77.md

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--description--

The first number $n$ for which $φ(n) = 13!$ is $6\,227\,180\,929$.

Find the ${150\,000}^{\text{th}}$ such number.

--hints--

eulersTotientFunctionEquals() should return 23507044290.

js
assert.strictEqual(eulersTotientFunctionEquals(), 23507044290);

--seed--

--seed-contents--

js
function eulersTotientFunctionEquals() {

  return true;
}

eulersTotientFunctionEquals();

--solutions--

js
// solution required