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72157860026060 = 2256377235657461
BaseRepresentation
bin10000011010000010001111…
…100111010101011011001100
3100110111020001022221211101112
4100122002033213111123030
533424213244131313220
6413244510244431152
721125143016151164
oct2032021747253314
9313436038854345
1072157860026060
1120a9aa81918a66
1281148153a84b8
1331355c3062103
1413b665d9355a4
15851ed164e5c5
hex41a08f9d56cc

72157860026060 has 24 divisors (see below), whose sum is σ = 151531770452496. Its totient is φ = 28863093648960.

The previous prime is 72157860026047. The next prime is 72157860026089. The reversal of 72157860026060 is 6062006875127.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9925730 + ... + 15583190.

It is an arithmetic number, because the mean of its divisors is an integer number (6313823768854).

Almost surely, 272157860026060 is an apocalyptic number.

It is an amenable number.

72157860026060 is an abundant number, since it is smaller than the sum of its proper divisors (79373910426436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72157860026060 is a wasteful number, since it uses less digits than its factorization.

72157860026060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6295193 (or 6295191 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 72157860026060 in words is "seventy-two trillion, one hundred fifty-seven billion, eight hundred sixty million, twenty-six thousand, sixty".

Divisors: 1 2 4 5 10 20 637723 1275446 2550892 3188615 5657461 6377230 11314922 12754460 22629844 28287305 56574610 113149220 3607893001303 7215786002606 14431572005212 18039465006515 36078930013030 72157860026060