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51870574401 = 3413847109621
BaseRepresentation
bin110000010011101110…
…100010011101000001
311221212221122012022020
4300103232202131001
51322212331340101
635455022232053
73514254415302
oct602356423501
9157787565266
1051870574401
111aaa8650308
12a077425629
134b7846cb99
142720d387a9
151538bde136
hexc13ba2741

51870574401 has 16 divisors (see below), whose sum is σ = 70866676608. Its totient is φ = 33727881600.

The previous prime is 51870574397. The next prime is 51870574411. The reversal of 51870574401 is 10447507815.

It is not a de Polignac number, because 51870574401 - 22 = 51870574397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51870574411) 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, 418371 + ... + 527991.

It is an arithmetic number, because the mean of its divisors is an integer number (4429167288).

Almost surely, 251870574401 is an apocalyptic number.

It is an amenable number.

51870574401 is a deficient number, since it is larger than the sum of its proper divisors (18996102207).

51870574401 is a wasteful number, since it uses less digits than its factorization.

51870574401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113512.

The product of its (nonzero) digits is 156800, while the sum is 42.

The spelling of 51870574401 in words is "fifty-one billion, eight hundred seventy million, five hundred seventy-four thousand, four hundred one".

Divisors: 1 3 41 123 3847 11541 109621 157727 328863 473181 4494461 13483383 421711987 1265135961 17290191467 51870574401