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12975836153 = 71853690879
BaseRepresentation
bin11000001010110101…
…11000101111111001
31020111022022202220012
430011122320233321
5203033303224103
65543325111305
7636360534050
oct140532705771
936438282805
1012975836153
115559580835
1226216b8535
1312ba391277
148b1479397
1550e27c2d8
hex3056b8bf9

12975836153 has 4 divisors (see below), whose sum is σ = 14829527040. Its totient is φ = 11122145268.

The previous prime is 12975836131. The next prime is 12975836161. The reversal of 12975836153 is 35163857921.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35163857921 = 203917245639.

It is a cyclic number.

It is not a de Polignac number, because 12975836153 - 26 = 12975836089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12975836053) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 926845433 + ... + 926845446.

It is an arithmetic number, because the mean of its divisors is an integer number (3707381760).

Almost surely, 212975836153 is an apocalyptic number.

It is an amenable number.

12975836153 is a deficient number, since it is larger than the sum of its proper divisors (1853690887).

12975836153 is an equidigital number, since it uses as much as digits as its factorization.

12975836153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853690886.

The product of its digits is 1360800, while the sum is 50.

The spelling of 12975836153 in words is "twelve billion, nine hundred seventy-five million, eight hundred thirty-six thousand, one hundred fifty-three".

Divisors: 1 7 1853690879 12975836153