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72039240696 = 23319962316417
BaseRepresentation
bin100001100010111011…
…1111001001111111000
320212221112112121012210
41003011313321033320
52140014021200241
653032214535120
75130125304543
oct1030567711770
9225845477183
1072039240696
1128608300865
1211b659674a0
136a40a80a57
1436b57a785a
151d19675316
hex10c5df93f8

72039240696 has 64 divisors (see below), whose sum is σ = 189608198400. Its totient is φ = 22745484288.

The previous prime is 72039240671. The next prime is 72039240701. The reversal of 72039240696 is 69604293027.

It is a congruent number.

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, 4379880 + ... + 4396296.

It is an arithmetic number, because the mean of its divisors is an integer number (2962628100).

Almost surely, 272039240696 is an apocalyptic number.

72039240696 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

72039240696 is an abundant number, since it is smaller than the sum of its proper divisors (117568957704).

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

72039240696 is a wasteful number, since it uses less digits than its factorization.

72039240696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26068 (or 26064 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 72039240696 in words is "seventy-two billion, thirty-nine million, two hundred forty thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 9623 16417 19246 28869 32834 38492 49251 57738 65668 76984 98502 115476 131336 182837 197004 230952 311923 365674 394008 548511 623846 731348 935769 1097022 1247692 1462696 1871538 2194044 2495384 3743076 4388088 7486152 157980791 315961582 473942373 631923164 947884746 1263846328 1895769492 3001635029 3791538984 6003270058 9004905087 12006540116 18009810174 24013080232 36019620348 72039240696