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12606172853 = 27146517243
BaseRepresentation
bin10111011110110001…
…01110111010110101
31012112112201221011212
423233120232322311
5201304140012403
65442522011205
7624251462351
oct135730567265
935475657155
1012606172853
11538994627a
122539946b05
13125b911ca1
14878330461
154dbaac4d8
hex2ef62eeb5

12606172853 has 4 divisors (see below), whose sum is σ = 12652690368. Its totient is φ = 12559655340.

The previous prime is 12606172841. The next prime is 12606172867. The reversal of 12606172853 is 35827160621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12606172853 - 28 = 12606172597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12606172853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12606172153) 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, 23258351 + ... + 23258892.

It is an arithmetic number, because the mean of its divisors is an integer number (3163172592).

Almost surely, 212606172853 is an apocalyptic number.

It is an amenable number.

12606172853 is a deficient number, since it is larger than the sum of its proper divisors (46517515).

12606172853 is an equidigital number, since it uses as much as digits as its factorization.

12606172853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46517514.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 12606172853 in words is "twelve billion, six hundred six million, one hundred seventy-two thousand, eight hundred fifty-three".

Divisors: 1 271 46517243 12606172853