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51102255345 = 353406817023
BaseRepresentation
bin101111100101111011…
…101000100011110001
311212220101220112200220
4233211323220203301
51314124134132340
635250454403253
73456235001121
oct574573504361
9155811815626
1051102255345
111a743988889
129aa2060529
134a8523011b
14268ac98c81
1514e1523ed0
hexbe5ee88f1

51102255345 has 8 divisors (see below), whose sum is σ = 81763608576. Its totient is φ = 27254536176.

The previous prime is 51102255287. The next prime is 51102255359. The reversal of 51102255345 is 54355220115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51102255345 - 220 = 51101206769 is a prime.

It is a super-2 number, since 2×511022553452 (a number of 22 digits) contains 22 as substring.

It is a Curzon 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, 1703408497 + ... + 1703408526.

It is an arithmetic number, because the mean of its divisors is an integer number (10220451072).

Almost surely, 251102255345 is an apocalyptic number.

It is an amenable number.

51102255345 is a deficient number, since it is larger than the sum of its proper divisors (30661353231).

51102255345 is a wasteful number, since it uses less digits than its factorization.

51102255345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406817031.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 51102255345 in words is "fifty-one billion, one hundred two million, two hundred fifty-five thousand, three hundred forty-five".

Divisors: 1 3 5 15 3406817023 10220451069 17034085115 51102255345