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52708695921 = 34792960663
BaseRepresentation
bin110001000101101011…
…101101111101110001
312001001100201011220000
4301011223231331301
51330421411232141
640114122140213
73544112344260
oct610553557561
9161040634800
1052708695921
1120398759422
12a270051669
134c7ccac58b
1427a03885d7
1515875965b6
hexc45aedf71

52708695921 has 20 divisors (see below), whose sum is σ = 89985922752. Its totient is φ = 30119254488.

The previous prime is 52708695911. The next prime is 52708695953. The reversal of 52708695921 is 12959680725.

52708695921 is a `hidden beast` number, since 527 + 0 + 8 + 6 + 95 + 9 + 21 = 666.

It is not a de Polignac number, because 52708695921 - 234 = 35528826737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52708695911) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46479765 + ... + 46480898.

Almost surely, 252708695921 is an apocalyptic number.

It is an amenable number.

52708695921 is a deficient number, since it is larger than the sum of its proper divisors (37277226831).

52708695921 is an equidigital number, since it uses as much as digits as its factorization.

52708695921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92960682 (or 92960673 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 52708695921 in words is "fifty-two billion, seven hundred eight million, six hundred ninety-five thousand, nine hundred twenty-one".

Divisors: 1 3 7 9 21 27 63 81 189 567 92960663 278881989 650724641 836645967 1952173923 2509937901 5856521769 7529813703 17569565307 52708695921