Base | Representation |
---|---|
bin | 10000011010110001100011… |
… | …011100111010000101000100 |
3 | 100110200002011120121222100012 |
4 | 100122301203130322011010 |
5 | 33431031313111441120 |
6 | 413324111100405352 |
7 | 21131621606606144 |
oct | 2032614334720504 |
9 | 313602146558305 |
10 | 72208658702660 |
11 | 2100a57a3a8617 |
12 | 8122631846858 |
13 | 313a32a41052c |
14 | 13b8cbc368924 |
15 | 8534a61a91c5 |
hex | 41ac6373a144 |
72208658702660 has 192 divisors, whose sum is σ = 165893174979840. Its totient is φ = 26293739028480.
The previous prime is 72208658702657. The next prime is 72208658702671. The reversal of 72208658702660 is 6620785680227.
It is a self number, because there is not a number n which added to its sum of digits gives 72208658702660.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3038945180 + ... + 3038968940.
It is an arithmetic number, because the mean of its divisors is an integer number (864026953020).
Almost surely, 272208658702660 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 72208658702660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82946587489920).
72208658702660 is an abundant number, since it is smaller than the sum of its proper divisors (93684516277180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72208658702660 is a wasteful number, since it uses less digits than its factorization.
72208658702660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25846 (or 25844 counting only the distinct ones).
The product of its (nonzero) digits is 27095040, while the sum is 59.
The spelling of 72208658702660 in words is "seventy-two trillion, two hundred eight billion, six hundred fifty-eight million, seven hundred two thousand, six hundred sixty".
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