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50102330031 = 3313142741681
BaseRepresentation
bin101110101010010101…
…001110001010101111
311210022201101002001000
4232222111032022233
51310102144030111
635003334451343
73422403531015
oct565225161257
9153281332030
1050102330031
111a280506126
129863203b53
13495601ac40
1425d416a8b5
151483859c56
hexbaa54e2af

50102330031 has 16 divisors (see below), whose sum is σ = 79935341920. Its totient is φ = 30832202880.

The previous prime is 50102330027. The next prime is 50102330039. The reversal of 50102330031 is 13003320105.

It is not a de Polignac number, because 50102330031 - 22 = 50102330027 is a prime.

It is a super-2 number, since 2×501023300312 (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 = 50102329986 and 50102330013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50102330039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71370490 + ... + 71371191.

It is an arithmetic number, because the mean of its divisors is an integer number (4995958870).

Almost surely, 250102330031 is an apocalyptic number.

50102330031 is a deficient number, since it is larger than the sum of its proper divisors (29833011889).

50102330031 is a wasteful number, since it uses less digits than its factorization.

50102330031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142741703 (or 142741697 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

Adding to 50102330031 its reverse (13003320105), we get a palindrome (63105650136).

The spelling of 50102330031 in words is "fifty billion, one hundred two million, three hundred thirty thousand, thirty-one".

Divisors: 1 3 9 13 27 39 117 351 142741681 428225043 1284675129 1855641853 3854025387 5566925559 16700776677 50102330031