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79440902996 = 22713523417293
BaseRepresentation
bin100100111111100001…
…0111111101101010100
321121001101002000002112
41021333002333231110
52300143332343441
6100254502130152
75511422351120
oct1117702775524
9247041060075
1079440902996
1130766356244
1213490720958
13765035aaa0
143bb87dc580
1520ee3804eb
hex127f0bfb54

79440902996 has 48 divisors (see below), whose sum is σ = 171431051904. Its totient is φ = 31367005056.

The previous prime is 79440902993. The next prime is 79440902999. The reversal of 79440902996 is 69920904497.

It is an interprime number because it is at equal distance from previous prime (79440902993) and next prime (79440902999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79440902993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18275 + ... + 399018.

It is an arithmetic number, because the mean of its divisors is an integer number (3571480248).

Almost surely, 279440902996 is an apocalyptic number.

It is an amenable number.

79440902996 is an abundant number, since it is smaller than the sum of its proper divisors (91990148908).

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

79440902996 is a wasteful number, since it uses less digits than its factorization.

79440902996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417840 (or 417838 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 59.

The spelling of 79440902996 in words is "seventy-nine billion, four hundred forty million, nine hundred two thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 523 1046 2092 3661 6799 7322 13598 14644 27196 47593 95186 190372 417293 834586 1669172 2921051 5424809 5842102 10849618 11684204 21699236 37973663 75947326 151894652 218244239 436488478 872976956 1527709673 2837175107 3055419346 5674350214 6110838692 11348700428 19860225749 39720451498 79440902996