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1112312012 = 22739725429
BaseRepresentation
bin100001001001100…
…1000100011001100
32212112000022020012
41002103020203030
54234222441022
6302212412352
736364332110
oct10223104314
92775008205
101112312012
11520964529
122706170b8
131495a19b6
14a7a25740
15679b8de2
hex424c88cc

1112312012 has 12 divisors (see below), whose sum is σ = 2224624080. Its totient is φ = 476705136.

The previous prime is 1112311939. The next prime is 1112312027. The reversal of 1112312012 is 2102132111.

1112312012 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19862687 + ... + 19862742.

It is an arithmetic number, because the mean of its divisors is an integer number (185385340).

Almost surely, 21112312012 is an apocalyptic number.

It is an amenable number.

1112312012 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.

1112312012 is a wasteful number, since it uses less digits than its factorization.

1112312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39725440 (or 39725438 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1112312012 is about 33351.3419819953. The cubic root of 1112312012 is about 1036.1171821257.

Adding to 1112312012 its reverse (2102132111), we get a palindrome (3214444123).

The spelling of 1112312012 in words is "one billion, one hundred twelve million, three hundred twelve thousand, twelve".

Divisors: 1 2 4 7 14 28 39725429 79450858 158901716 278078003 556156006 1112312012