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12311230132 = 223838036051
BaseRepresentation
bin10110111011100111…
…00111011010110100
31011202222202021211101
423131303213122310
5200203133331012
65353344215444
7614040505135
oct133563473264
934688667741
1012311230132
115248406463
12247700a584
131212795076
1484b0b5c8c
154c0c4bd57
hex2ddce76b4

12311230132 has 12 divisors (see below), whose sum is σ = 21600907776. Its totient is φ = 6139542200.

The previous prime is 12311230123. The next prime is 12311230193. The reversal of 12311230132 is 23103211321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4016494 + ... + 4019557.

It is an arithmetic number, because the mean of its divisors is an integer number (1800075648).

Almost surely, 212311230132 is an apocalyptic number.

It is an amenable number.

12311230132 is a deficient number, since it is larger than the sum of its proper divisors (9289677644).

12311230132 is a wasteful number, since it uses less digits than its factorization.

12311230132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8036438 (or 8036436 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12311230132 its reverse (23103211321), we get a palindrome (35414441453).

The spelling of 12311230132 in words is "twelve billion, three hundred eleven million, two hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 4 383 766 1532 8036051 16072102 32144204 3077807533 6155615066 12311230132