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12310231112 = 2329166331907
BaseRepresentation
bin10110111011011111…
…10011100001001000
31011202220212112102122
423131233303201020
5200202404343422
65353310550412
7614026144424
oct133557634110
934686775378
1012310231112
115247893923
122476808408
13121250542a
1484acd5b84
154c0b00d42
hex2ddbf3848

12310231112 has 32 divisors (see below), whose sum is σ = 23892710400. Its totient is φ = 5939110464.

The previous prime is 12310231091. The next prime is 12310231147. The reversal of 12310231112 is 21113201321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369863 + ... + 401769.

It is an arithmetic number, because the mean of its divisors is an integer number (746647200).

Almost surely, 212310231112 is an apocalyptic number.

It is an amenable number.

12310231112 is a deficient number, since it is larger than the sum of its proper divisors (11582479288).

12310231112 is a wasteful number, since it uses less digits than its factorization.

12310231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33605 (or 33601 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12310231112 its reverse (21113201321), we get a palindrome (33423432433).

The spelling of 12310231112 in words is "twelve billion, three hundred ten million, two hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 29 58 116 232 1663 3326 6652 13304 31907 48227 63814 96454 127628 192908 255256 385816 925303 1850606 3701212 7402424 53061341 106122682 212245364 424490728 1538778889 3077557778 6155115556 12310231112