71 lines
4.4 KiB
HTML
71 lines
4.4 KiB
HTML
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<h2>Numbers for which Euler’s totient function equals 13!</h2><div class="info" style="cursor:help;width:200px;margin-bottom:10px;"><h3>Problem 248</h3><span style="width:300px;color:#666;">Published on Saturday, 6th June 2009, 01:00 am; Solved by 731</span></div>
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<p>The first number n for which φ(n)=13! is 6227180929.</p>
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<p>Find the 150,000<sup>th</sup> such number.</p>
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