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12739495108 = 223184873777
BaseRepresentation
bin10111101110101010…
…10100010011000100
31012212211121101221011
423313111110103010
5202042302320413
65504043332004
7630460631104
oct136725242304
935784541834
1012739495108
11544812725a
122576521004
1312804219b2
1488bd17204
154e864533d
hex2f75544c4

12739495108 has 6 divisors (see below), whose sum is σ = 22294116446. Its totient is φ = 6369747552.

The previous prime is 12739495103. The next prime is 12739495121. The reversal of 12739495108 is 80159493721.

It is a happy number.

12739495108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12364995204 + 374499904 = 111198^2 + 19352^2 .

It is not an unprimeable number, because it can be changed into a prime (12739495103) by changing a digit.

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 as a sum of consecutive naturals, namely, 1592436885 + ... + 1592436892.

Almost surely, 212739495108 is an apocalyptic number.

It is an amenable number.

12739495108 is a deficient number, since it is larger than the sum of its proper divisors (9554621338).

12739495108 is a wasteful number, since it uses less digits than its factorization.

12739495108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184873781 (or 3184873779 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 12739495108 in words is "twelve billion, seven hundred thirty-nine million, four hundred ninety-five thousand, one hundred eight".

Divisors: 1 2 4 3184873777 6369747554 12739495108