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50264838891 = 3212743976237
BaseRepresentation
bin101110110100000001…
…001001001011101011
311210202001011101021200
4232310001021023223
51310420244321031
635031421535243
73426416036541
oct566401111353
9153661141250
1050264838891
111a354211473
1298a9714523
1349808a9627
14260b98dd91
151492c5a8e6
hexbb40492eb

50264838891 has 12 divisors (see below), whose sum is σ = 73176460032. Its totient is φ = 33246034416.

The previous prime is 50264838889. The next prime is 50264838907. The reversal of 50264838891 is 19883846205.

50264838891 is a `hidden beast` number, since 50 + 26 + 483 + 8 + 8 + 91 = 666.

It is not a de Polignac number, because 50264838891 - 21 = 50264838889 is a prime.

It is a super-2 number, since 2×502648388912 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (50264838191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21986976 + ... + 21989261.

It is an arithmetic number, because the mean of its divisors is an integer number (6098038336).

Almost surely, 250264838891 is an apocalyptic number.

50264838891 is a deficient number, since it is larger than the sum of its proper divisors (22911621141).

50264838891 is a wasteful number, since it uses less digits than its factorization.

50264838891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43976370 (or 43976367 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 50264838891 in words is "fifty billion, two hundred sixty-four million, eight hundred thirty-eight thousand, eight hundred ninety-one".

Divisors: 1 3 9 127 381 1143 43976237 131928711 395786133 5584982099 16754946297 50264838891