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12663040412 = 2211287796373
BaseRepresentation
bin10111100101100011…
…01010100110011100
31012200111202002210202
423302301222212130
5201413214243122
65452312523032
7625542032111
oct136261524634
935614662722
1012663040412
115408a57760
1225549b0478
13126a633229
14881ad4908
154e1a91e92
hex2f2c6a99c

12663040412 has 12 divisors (see below), whose sum is σ = 24174895416. Its totient is φ = 5755927440.

The previous prime is 12663040399. The next prime is 12663040451. The reversal of 12663040412 is 21404036621.

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, 143898143 + ... + 143898230.

It is an arithmetic number, because the mean of its divisors is an integer number (2014574618).

Almost surely, 212663040412 is an apocalyptic number.

It is an amenable number.

12663040412 is a deficient number, since it is larger than the sum of its proper divisors (11511855004).

12663040412 is a wasteful number, since it uses less digits than its factorization.

12663040412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287796388 (or 287796386 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 12663040412 in words is "twelve billion, six hundred sixty-three million, forty thousand, four hundred twelve".

Divisors: 1 2 4 11 22 44 287796373 575592746 1151185492 3165760103 6331520206 12663040412