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50390859031 = 1093671259677
BaseRepresentation
bin101110111011100001…
…110111110100010111
311211001211021212102021
4232323201313310113
51311200024442111
635052122554011
73432506143312
oct567341676427
9154054255367
1050390859031
111a409365247
129923968907
1349a0a30766
1426205d5979
15149dd4ed71
hexbbb877d17

50390859031 has 8 divisors (see below), whose sum is σ = 50991765440. Its totient is φ = 49792472928.

The previous prime is 50390859019. The next prime is 50390859053. The reversal of 50390859031 is 13095809305.

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 50390859031 - 223 = 50382470423 is a prime.

It is a super-2 number, since 2×503908590312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50390850031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589836 + ... + 669841.

It is an arithmetic number, because the mean of its divisors is an integer number (6373970680).

Almost surely, 250390859031 is an apocalyptic number.

50390859031 is a deficient number, since it is larger than the sum of its proper divisors (600906409).

50390859031 is a wasteful number, since it uses less digits than its factorization.

50390859031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260153.

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 50390859031 in words is "fifty billion, three hundred ninety million, eight hundred fifty-nine thousand, thirty-one".

Divisors: 1 109 367 40003 1259677 137304793 462301459 50390859031