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50112313531 = 723330724901
BaseRepresentation
bin101110101010111011…
…010011100010111011
311210100102011021211021
4232222323103202323
51310112223013111
635004332443311
73422554431310
oct565273234273
9153312137737
1050112313531
111a286104955
129866619537
134958105137
1425d5608d07
15148467cd71
hexbaaed38bb

50112313531 has 8 divisors (see below), whose sum is σ = 57517016544. Its totient is φ = 42769060800.

The previous prime is 50112313469. The next prime is 50112313541. The reversal of 50112313531 is 13531321105.

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 50112313531 - 231 = 47964829883 is a prime.

It is a super-2 number, since 2×501123135312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50112313496 and 50112313505.

It is not an unprimeable number, because it can be changed into a prime (50112313541) 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, 15360820 + ... + 15364081.

It is an arithmetic number, because the mean of its divisors is an integer number (7189627068).

Almost surely, 250112313531 is an apocalyptic number.

50112313531 is a deficient number, since it is larger than the sum of its proper divisors (7404703013).

50112313531 is a wasteful number, since it uses less digits than its factorization.

50112313531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30725141.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 50112313531 its reverse (13531321105), we get a palindrome (63643634636).

The spelling of 50112313531 in words is "fifty billion, one hundred twelve million, three hundred thirteen thousand, five hundred thirty-one".

Divisors: 1 7 233 1631 30724901 215074307 7158901933 50112313531