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310112012 = 22711075429
BaseRepresentation
bin10010011110111…
…110111100001100
3210121112022201002
4102132332330030
51113342041022
650434435432
710453623440
oct2236767414
9717468632
10310112012
1114a060821
1287a32b78
134c32b642
142d286820
151c35a092
hex127bef0c

310112012 has 12 divisors (see below), whose sum is σ = 620224080. Its totient is φ = 132905136.

The previous prime is 310111937. The next prime is 310112021. The reversal of 310112012 is 210211013.

310112012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 310111984 and 310112002.

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, 5537687 + ... + 5537742.

It is an arithmetic number, because the mean of its divisors is an integer number (51685340).

Almost surely, 2310112012 is an apocalyptic number.

It is an amenable number.

310112012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

310112012 is a wasteful number, since it uses less digits than its factorization.

310112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11075440 (or 11075438 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 310112012 is about 17609.9975014195. The cubic root of 310112012 is about 676.8714500135.

Adding to 310112012 its reverse (210211013), we get a palindrome (520323025).

Subtracting from 310112012 its reverse (210211013), we obtain a palindrome (99900999).

The spelling of 310112012 in words is "three hundred ten million, one hundred twelve thousand, twelve".

Divisors: 1 2 4 7 14 28 11075429 22150858 44301716 77528003 155056006 310112012