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12769948499 = 711165843487
BaseRepresentation
bin10111110010010010…
…11111001101010011
31012221221220121010112
423321021133031103
5202123101322444
65511052151535
7631310525360
oct137111371523
935857817115
1012769948499
115463337350
1225847685ab
131286825159
14891da3467
154eb15d69e
hex2f925f353

12769948499 has 8 divisors (see below), whose sum is σ = 15920974848. Its totient is φ = 9950609160.

The previous prime is 12769948423. The next prime is 12769948553. The reversal of 12769948499 is 99484996721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12769948499 is a prime.

It is a super-2 number, since 2×127699484992 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12769948099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82921667 + ... + 82921820.

It is an arithmetic number, because the mean of its divisors is an integer number (1990121856).

Almost surely, 212769948499 is an apocalyptic number.

12769948499 is a deficient number, since it is larger than the sum of its proper divisors (3151026349).

12769948499 is a wasteful number, since it uses less digits than its factorization.

12769948499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165843505.

The product of its digits is 70543872, while the sum is 68.

The spelling of 12769948499 in words is "twelve billion, seven hundred sixty-nine million, nine hundred forty-eight thousand, four hundred ninety-nine".

Divisors: 1 7 11 77 165843487 1160904409 1824278357 12769948499