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50751512252 = 2272258936287
BaseRepresentation
bin101111010001000001…
…101001111010111100
311211222221220221121222
4233101001221322330
51312414341343002
635152005012512
73444445510400
oct572101517274
9154887827558
1050751512252
111a5839a6361
129a046b4138
134a2a67692c
142656477100
1514c08401a2
hexbd1069ebc

50751512252 has 18 divisors (see below), whose sum is σ = 103315578912. Its totient is φ = 21750648024.

The previous prime is 50751512239. The next prime is 50751512291. The reversal of 50751512252 is 25221515705.

It is a super-2 number, since 2×507515122522 (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 (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129467948 + ... + 129468339.

It is an arithmetic number, because the mean of its divisors is an integer number (5739754384).

Almost surely, 250751512252 is an apocalyptic number.

It is an amenable number.

50751512252 is an abundant number, since it is smaller than the sum of its proper divisors (52564066660).

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

50751512252 is a wasteful number, since it uses less digits than its factorization.

50751512252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258936305 (or 258936296 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 35.

The spelling of 50751512252 in words is "fifty billion, seven hundred fifty-one million, five hundred twelve thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 49 98 196 258936287 517872574 1035745148 1812554009 3625108018 7250216036 12687878063 25375756126 50751512252