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12556153145 = 559293145267
BaseRepresentation
bin10111011000110011…
…11011000100111001
31012102001121200001002
423230121323010321
5201203333400040
65433533534345
7623103353324
oct135431730471
935361550032
1012556153145
115363691778
1225250443b5
13125144a923
1487182d7bb
154d74cba15
hex2ec67b139

12556153145 has 16 divisors (see below), whose sum is σ = 15375165120. Its totient is φ = 9840899904.

The previous prime is 12556153133. The next prime is 12556153189. The reversal of 12556153145 is 54135165521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12556153145 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12556153099 and 12556153108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13802 + ... + 159068.

It is an arithmetic number, because the mean of its divisors is an integer number (960947820).

Almost surely, 212556153145 is an apocalyptic number.

It is an amenable number.

12556153145 is a deficient number, since it is larger than the sum of its proper divisors (2819011975).

12556153145 is a wasteful number, since it uses less digits than its factorization.

12556153145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145624.

The product of its digits is 90000, while the sum is 38.

The spelling of 12556153145 in words is "twelve billion, five hundred fifty-six million, one hundred fifty-three thousand, one hundred forty-five".

Divisors: 1 5 59 293 295 1465 17287 86435 145267 726335 8570753 42563231 42853765 212816155 2511230629 12556153145