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93131000012 = 2243953035877
BaseRepresentation
bin101011010111100001…
…0100100100011001100
322220101110101222200202
41112233002210203030
53011213014000022
6110441144313032
76504605303321
oct1265702444314
9286343358622
1093131000012
1136551026806
1216071472778
138a226b24cb
144716a84b48
15265119a592
hex15af0a48cc

93131000012 has 12 divisors (see below), whose sum is σ = 163350504240. Its totient is φ = 46459427376.

The previous prime is 93130999981. The next prime is 93131000041. The reversal of 93131000012 is 21000013139.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26516183 + ... + 26519694.

It is an arithmetic number, because the mean of its divisors is an integer number (13612542020).

Almost surely, 293131000012 is an apocalyptic number.

It is an amenable number.

93131000012 is a deficient number, since it is larger than the sum of its proper divisors (70219504228).

93131000012 is a wasteful number, since it uses less digits than its factorization.

93131000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53036320 (or 53036318 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The spelling of 93131000012 in words is "ninety-three billion, one hundred thirty-one million, twelve", and thus it is an aban number.

Divisors: 1 2 4 439 878 1756 53035877 106071754 212143508 23282750003 46565500006 93131000012