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12983576138 = 2132917219597
BaseRepresentation
bin11000001011110000…
…11010011001001010
31020111211220000011022
430011320122121022
5203042243414023
65544203032442
7636513401441
oct140570323112
936454800138
1012983576138
115562987a15
12262420b722
1312bbb71240
148b24d1d58
1550ecaa7c8
hex305e1a64a

12983576138 has 16 divisors (see below), whose sum is σ = 21696693480. Its totient is φ = 5785784256.

The previous prime is 12983576117. The next prime is 12983576161. The reversal of 12983576138 is 83167538921.

It can be written as a sum of positive squares in 4 ways, for example, as 11159175769 + 1824400369 = 105637^2 + 42713^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12983576138.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8609045 + ... + 8610552.

Almost surely, 212983576138 is an apocalyptic number.

12983576138 is a deficient number, since it is larger than the sum of its proper divisors (8713117342).

12983576138 is a wasteful number, since it uses less digits than its factorization.

12983576138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17219641.

The product of its digits is 2177280, while the sum is 53.

The spelling of 12983576138 in words is "twelve billion, nine hundred eighty-three million, five hundred seventy-six thousand, one hundred thirty-eight".

Divisors: 1 2 13 26 29 58 377 754 17219597 34439194 223854761 447709522 499368313 998736626 6491788069 12983576138