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50378288272 = 2413242203309
BaseRepresentation
bin101110111010110001…
…111010110010010000
311211000221122012120121
4232322301322302100
51311133320211042
635050553320024
73432264246004
oct567261726220
9154027565517
1050378288272
111a402259694
12991b706014
13499b24ba40
14261ca82704
15149cbba367
hexbbac7ac90

50378288272 has 20 divisors (see below), whose sum is σ = 105116236540. Its totient is φ = 23251517568.

The previous prime is 50378288249. The next prime is 50378288281. The reversal of 50378288272 is 27288287305.

It can be written as a sum of positive squares in 2 ways, for example, as 6024243456 + 44354044816 = 77616^2 + 210604^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

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 3 ways as a sum of consecutive naturals, for example, 121101447 + ... + 121101862.

It is an arithmetic number, because the mean of its divisors is an integer number (5255811827).

Almost surely, 250378288272 is an apocalyptic number.

50378288272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

50378288272 is an abundant number, since it is smaller than the sum of its proper divisors (54737948268).

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

50378288272 is a wasteful number, since it uses less digits than its factorization.

50378288272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242203330 (or 242203324 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 50378288272 in words is "fifty billion, three hundred seventy-eight million, two hundred eighty-eight thousand, two hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 242203309 484406618 968813236 1937626472 3148643017 3875252944 6297286034 12594572068 25189144136 50378288272