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51075328055 = 553787244901
BaseRepresentation
bin101111100100010100…
…111010100000110111
311212211112020111101212
4233210110322200313
51314100240444210
635244053312035
73455460060653
oct574424724067
9155745214355
1051075328055
111a72a766a24
129a9503561b
134a7c79290b
142687489a63
1514ddea5805
hexbe453a837

51075328055 has 16 divisors (see below), whose sum is σ = 62526419424. Its totient is φ = 40038211200.

The previous prime is 51075328039. The next prime is 51075328079. The reversal of 51075328055 is 55082357015.

It is not a de Polignac number, because 51075328055 - 24 = 51075328039 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 86105 + ... + 331005.

It is an arithmetic number, because the mean of its divisors is an integer number (3907901214).

Almost surely, 251075328055 is an apocalyptic number.

51075328055 is a deficient number, since it is larger than the sum of its proper divisors (11451091369).

51075328055 is a wasteful number, since it uses less digits than its factorization.

51075328055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245746.

The product of its (nonzero) digits is 210000, while the sum is 41.

The spelling of 51075328055 in words is "fifty-one billion, seventy-five million, three hundred twenty-eight thousand, fifty-five".

Divisors: 1 5 53 265 787 3935 41711 208555 244901 1224505 12979753 64898765 192737087 963685435 10215065611 51075328055