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51734869692 = 22311391930831
BaseRepresentation
bin110000001011101000…
…110111011010111100
311221112111021200102220
4300023220313122330
51321423111312232
635433333445340
73511016064612
oct601350673274
9157474250386
1051734869692
111aa38a92360
12a039aa0850
134b5630793c
14270acd16b2
15152bd3542c
hexc0ba376bc

51734869692 has 24 divisors (see below), whose sum is σ = 131688759552. Its totient is φ = 15677233200.

The previous prime is 51734869679. The next prime is 51734869721. The reversal of 51734869692 is 29696843715.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195965284 + ... + 195965547.

It is an arithmetic number, because the mean of its divisors is an integer number (5487031648).

Almost surely, 251734869692 is an apocalyptic number.

It is an amenable number.

51734869692 is an abundant number, since it is smaller than the sum of its proper divisors (79953889860).

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

51734869692 is a wasteful number, since it uses less digits than its factorization.

51734869692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391930849 (or 391930847 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The spelling of 51734869692 in words is "fifty-one billion, seven hundred thirty-four million, eight hundred sixty-nine thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 391930831 783861662 1175792493 1567723324 2351584986 4311239141 4703169972 8622478282 12933717423 17244956564 25867434846 51734869692