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12533696857 = 115632023849
BaseRepresentation
bin10111010110001000…
…10000100101011001
31012100111100202210201
423223010100211121
5201132111244412
65431412342201
7622411444153
oct135304204531
935314322721
1012533696857
115351a43a60
122519614961
1312498b7496
1486c865ad3
154d5542e57
hex2eb110959

12533696857 has 8 divisors (see below), whose sum is σ = 13697416800. Its totient is φ = 11374025760.

The previous prime is 12533696839. The next prime is 12533696863. The reversal of 12533696857 is 75869633521.

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

It is a cyclic number.

It is not a de Polignac number, because 12533696857 - 227 = 12399479129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12533696798 and 12533696807.

It is not an unprimeable number, because it can be changed into a prime (12533696837) 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, 1005732 + ... + 1018117.

It is an arithmetic number, because the mean of its divisors is an integer number (1712177100).

Almost surely, 212533696857 is an apocalyptic number.

It is an amenable number.

12533696857 is a deficient number, since it is larger than the sum of its proper divisors (1163719943).

12533696857 is a wasteful number, since it uses less digits than its factorization.

12533696857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024423.

The product of its digits is 8164800, while the sum is 55.

The spelling of 12533696857 in words is "twelve billion, five hundred thirty-three million, six hundred ninety-six thousand, eight hundred fifty-seven".

Divisors: 1 11 563 6193 2023849 22262339 1139426987 12533696857