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50786543868 = 22310141903089
BaseRepresentation
bin101111010011000111…
…010010100011111100
311212002101211201222020
4233103013102203330
51313002323400433
635155255520140
73445352333364
oct572307224374
9155071751866
1050786543868
111a5a1753105
129a14389050
134a349c0bb8
14265ad959a4
1514c395ecb3
hexbd31d28fc

50786543868 has 24 divisors (see below), whose sum is σ = 119675225040. Its totient is φ = 16761235200.

The previous prime is 50786543803. The next prime is 50786543887. The reversal of 50786543868 is 86834568705.

It is a congruent 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, 20950333 + ... + 20952756.

It is an arithmetic number, because the mean of its divisors is an integer number (4986467710).

Almost surely, 250786543868 is an apocalyptic number.

It is an amenable number.

50786543868 is an abundant number, since it is smaller than the sum of its proper divisors (68888681172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50786543868 is a wasteful number, since it uses less digits than its factorization.

50786543868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41903197 (or 41903195 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 60.

The spelling of 50786543868 in words is "fifty billion, seven hundred eighty-six million, five hundred forty-three thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 101 202 303 404 606 1212 41903089 83806178 125709267 167612356 251418534 502837068 4232211989 8464423978 12696635967 16928847956 25393271934 50786543868