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12570890027 = 94841132547
BaseRepresentation
bin10111011010100100…
…01000111100101011
31012110002100101020112
423231102020330223
5201221121440102
65435221444535
7623342542103
oct135522107453
935402311215
1012570890027
115370a37813
122529b7074b
13125450a587
14873788203
154d893d252
hex2ed488f2b

12570890027 has 4 divisors (see below), whose sum is σ = 12571117416. Its totient is φ = 12570662640.

The previous prime is 12570890021. The next prime is 12570890039. The reversal of 12570890027 is 72009807521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72009807521 = 137525619033.

It is a cyclic number.

It is not a de Polignac number, because 12570890027 - 26 = 12570889963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12570890021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28568 + ... + 161114.

It is an arithmetic number, because the mean of its divisors is an integer number (3142779354).

Almost surely, 212570890027 is an apocalyptic number.

12570890027 is a deficient number, since it is larger than the sum of its proper divisors (227389).

12570890027 is an equidigital number, since it uses as much as digits as its factorization.

12570890027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227388.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 12570890027 in words is "twelve billion, five hundred seventy million, eight hundred ninety thousand, twenty-seven".

Divisors: 1 94841 132547 12570890027