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31192826112 = 28337359223
BaseRepresentation
bin11101000011001111…
…001100000100000000
32222111212210202012000
4131003033030010000
51002340330413422
622155122304000
72152662435000
oct350317140400
988455722160
1031192826112
111225759aa38
1260664b8000
132c31547176
14171ca2c000
15c286e8cac
hex7433cc100

31192826112 has 576 divisors, whose sum is σ = 109885440000. Its totient is φ = 8721893376.

The previous prime is 31192826087. The next prime is 31192826149. The reversal of 31192826112 is 21162829113.

31192826112 is a `hidden beast` number, since 3 + 1 + 19 + 28 + 2 + 611 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139878033 + ... + 139878255.

Almost surely, 231192826112 is an apocalyptic number.

31192826112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31192826112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54942720000).

31192826112 is an abundant number, since it is smaller than the sum of its proper divisors (78692613888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31192826112 is an equidigital number, since it uses as much as digits as its factorization.

31192826112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 294 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The spelling of 31192826112 in words is "thirty-one billion, one hundred ninety-two million, eight hundred twenty-six thousand, one hundred twelve".