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72027580164 = 223179332310091
BaseRepresentation
bin100001100010100101…
…1011010011100000100
320212220201121011222020
41003011023122130010
52140003030031124
653031121003140
75126624221041
oct1030513323404
9225821534866
1072027580164
1128601767061
1211b61a834b0
136a3b52a427
1436b40101c8
151d18620379
hex10c52da704

72027580164 has 48 divisors (see below), whose sum is σ = 169070872320. Its totient is φ = 23865513760.

The previous prime is 72027580133. The next prime is 72027580171. The reversal of 72027580164 is 46108572027.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7132759 + ... + 7142849.

It is an arithmetic number, because the mean of its divisors is an integer number (3522309840).

Almost surely, 272027580164 is an apocalyptic number.

It is an amenable number.

72027580164 is an abundant number, since it is smaller than the sum of its proper divisors (97043292156).

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

72027580164 is a wasteful number, since it uses less digits than its factorization.

72027580164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13600 (or 13598 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 72027580164 in words is "seventy-two billion, twenty-seven million, five hundred eighty thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 179 358 537 716 1074 2148 3323 6646 9969 10091 13292 19938 20182 30273 39876 40364 60546 121092 594817 1189634 1784451 1806289 2379268 3568902 3612578 5418867 7137804 7225156 10837734 21675468 33532393 67064786 100597179 134129572 201194358 402388716 6002298347 12004596694 18006895041 24009193388 36013790082 72027580164