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50640441255 = 3251125343139
BaseRepresentation
bin101111001010011001…
…111100111110100111
311211201012220221212100
4233022121330332213
51312202423110010
635133000223143
73441626435265
oct571231747647
9154635827770
1050640441255
111a527233048
12999346aab3
134a10657c51
142645803435
1514b5c002c0
hexbca67cfa7

50640441255 has 12 divisors (see below), whose sum is σ = 87776764920. Its totient is φ = 27008235312.

The previous prime is 50640441193. The next prime is 50640441289. The reversal of 50640441255 is 55214404605.

50640441255 is a `hidden beast` number, since 5 + 0 + 640 + 4 + 4 + 1 + 2 + 5 + 5 = 666.

It is not a de Polignac number, because 50640441255 - 26 = 50640441191 is a prime.

It is a super-2 number, since 2×506404412552 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562671525 + ... + 562671614.

It is an arithmetic number, because the mean of its divisors is an integer number (7314730410).

Almost surely, 250640441255 is an apocalyptic number.

50640441255 is a deficient number, since it is larger than the sum of its proper divisors (37136323665).

50640441255 is a wasteful number, since it uses less digits than its factorization.

50640441255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125343150 (or 1125343147 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 50640441255 in words is "fifty billion, six hundred forty million, four hundred forty-one thousand, two hundred fifty-five".

Divisors: 1 3 5 9 15 45 1125343139 3376029417 5626715695 10128088251 16880147085 50640441255