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12937457167 = 49932591119
BaseRepresentation
bin11000000110010000…
…11110111000001111
31020101122002220211021
430003020132320033
5202443442112132
65535434335011
7635413400005
oct140310367017
936348086737
1012937457167
115539948068
12261088a467
1312b24444cb
148aa328a75
1550abea997
hex30321ee0f

12937457167 has 4 divisors (see below), whose sum is σ = 12940053280. Its totient is φ = 12934861056.

The previous prime is 12937457161. The next prime is 12937457173. The reversal of 12937457167 is 76175473921.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12937457161) and next prime (12937457173).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12937457167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12937457161) 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, 1290567 + ... + 1300552.

It is an arithmetic number, because the mean of its divisors is an integer number (3235013320).

Almost surely, 212937457167 is an apocalyptic number.

12937457167 is a deficient number, since it is larger than the sum of its proper divisors (2596113).

12937457167 is an equidigital number, since it uses as much as digits as its factorization.

12937457167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596112.

The product of its digits is 2222640, while the sum is 52.

The spelling of 12937457167 in words is "twelve billion, nine hundred thirty-seven million, four hundred fifty-seven thousand, one hundred sixty-seven".

Divisors: 1 4993 2591119 12937457167