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50388535013 = 61487819499
BaseRepresentation
bin101110111011011001…
…000000011011100101
311211001122220210110112
4232323121000123211
51311143431110023
635052001102405
73432450323615
oct567331003345
9154048823415
1050388535013
111a408018173
129923027a05
1349a03c89bb
14262018ca45
15149da41478
hexbbb6406e5

50388535013 has 4 divisors (see below), whose sum is σ = 50389416000. Its totient is φ = 50387654028.

The previous prime is 50388535009. The next prime is 50388535037. The reversal of 50388535013 is 31053588305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50388535013 - 22 = 50388535009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50388535513) by changing a digit.

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, 348263 + ... + 471236.

It is an arithmetic number, because the mean of its divisors is an integer number (12597354000).

Almost surely, 250388535013 is an apocalyptic number.

It is an amenable number.

50388535013 is a deficient number, since it is larger than the sum of its proper divisors (880987).

50388535013 is an equidigital number, since it uses as much as digits as its factorization.

50388535013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880986.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 50388535013 in words is "fifty billion, three hundred eighty-eight million, five hundred thirty-five thousand, thirteen".

Divisors: 1 61487 819499 50388535013