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50530583257 = 721193748763
BaseRepresentation
bin101111000011110110…
…111000001011011001
311211102120012121000121
4233003312320023121
51311441312131012
635114033433241
73436123604500
oct570366701331
9154376177017
1050530583257
111a480219110
12996270b821
1349c397240b
142634da7837
1514ab24ea07
hexbc3db82d9

50530583257 has 12 divisors (see below), whose sum is σ = 64124154576. Its totient is φ = 39374480040.

The previous prime is 50530583251. The next prime is 50530583333. The reversal of 50530583257 is 75238503505.

It is a de Polignac number, because none of the positive numbers 2k-50530583257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50530583251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46873843 + ... + 46874920.

It is an arithmetic number, because the mean of its divisors is an integer number (5343679548).

Almost surely, 250530583257 is an apocalyptic number.

It is an amenable number.

50530583257 is a deficient number, since it is larger than the sum of its proper divisors (13593571319).

50530583257 is a wasteful number, since it uses less digits than its factorization.

50530583257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93748788 (or 93748781 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 50530583257 in words is "fifty billion, five hundred thirty million, five hundred eighty-three thousand, two hundred fifty-seven".

Divisors: 1 7 11 49 77 539 93748763 656241341 1031236393 4593689387 7218654751 50530583257