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79193553902 = 2611660339097
BaseRepresentation
bin100100111000001001…
…1011011101111101110
321120102010122100220222
41021300103123233232
52244142022211102
6100214144411342
75502330046541
oct1116023335756
9246363570828
1079193553902
1130649773201
1213421916b52
137611035b88
143b93a12858
1520d77c1aa2
hex12704dbbee

79193553902 has 16 divisors (see below), whose sum is σ = 120748073712. Its totient is φ = 38944307520.

The previous prime is 79193553889. The next prime is 79193553949. The reversal of 79193553902 is 20935539197.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 2006018 + ... + 2045114.

It is an arithmetic number, because the mean of its divisors is an integer number (7546754607).

Almost surely, 279193553902 is an apocalyptic number.

79193553902 is a deficient number, since it is larger than the sum of its proper divisors (41554519810).

79193553902 is a wasteful number, since it uses less digits than its factorization.

79193553902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55763.

The product of its (nonzero) digits is 2296350, while the sum is 53.

The spelling of 79193553902 in words is "seventy-nine billion, one hundred ninety-three million, five hundred fifty-three thousand, nine hundred two".

Divisors: 1 2 61 122 16603 33206 39097 78194 1012783 2025566 2384917 4769834 649127491 1298254982 39596776951 79193553902