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50648055139 = 1125791785331
BaseRepresentation
bin101111001010110110…
…111111110101100011
311211201202020210011001
4233022312333311203
51312211400231024
635133431332431
73442051236223
oct571266776543
9154652223131
1050648055139
111a530563510
129995b21117
134a120c26c6
142646826083
1514b6706244
hexbcadbfd63

50648055139 has 8 divisors (see below), whose sum is σ = 55273878720. Its totient is φ = 46025807400.

The previous prime is 50648055013. The next prime is 50648055151. The reversal of 50648055139 is 93155084605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50648055139 - 211 = 50648053091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50648055439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864297 + ... + 921034.

It is an arithmetic number, because the mean of its divisors is an integer number (6909234840).

Almost surely, 250648055139 is an apocalyptic number.

50648055139 is a deficient number, since it is larger than the sum of its proper divisors (4625823581).

50648055139 is a wasteful number, since it uses less digits than its factorization.

50648055139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787921.

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 50648055139 in words is "fifty billion, six hundred forty-eight million, fifty-five thousand, one hundred thirty-nine".

Divisors: 1 11 2579 28369 1785331 19638641 4604368649 50648055139