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12375977125 = 5399007817
BaseRepresentation
bin10111000011010101…
…00110110010100101
31011221111120210000011
423201222212302211
5200321222232000
65404020050221
7615455032651
oct134152466245
934844523004
1012375977125
115280a09876
122494833971
1312230148b5
1485592ba61
154c678b2ba
hex2e1aa6ca5

12375977125 has 8 divisors (see below), whose sum is σ = 15445219608. Its totient is φ = 9900781600.

The previous prime is 12375977113. The next prime is 12375977137. The reversal of 12375977125 is 52177957321.

12375977125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12375977113) and next prime (12375977137).

It can be written as a sum of positive squares in 4 ways, for example, as 465092356 + 11910884769 = 21566^2 + 109137^2 .

It is not a de Polignac number, because 12375977125 - 25 = 12375977093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49503784 + ... + 49504033.

It is an arithmetic number, because the mean of its divisors is an integer number (1930652451).

Almost surely, 212375977125 is an apocalyptic number.

It is an amenable number.

12375977125 is a deficient number, since it is larger than the sum of its proper divisors (3069242483).

12375977125 is an frugal number, since it uses more digits than its factorization.

12375977125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99007832 (or 99007822 counting only the distinct ones).

The product of its digits is 926100, while the sum is 49.

The spelling of 12375977125 in words is "twelve billion, three hundred seventy-five million, nine hundred seventy-seven thousand, one hundred twenty-five".

Divisors: 1 5 25 125 99007817 495039085 2475195425 12375977125