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12601344731 is a prime number
BaseRepresentation
bin10111011110001100…
…10100001011011011
31012112012122122020112
423233012110023123
5201301421012411
65442230314535
7624162443243
oct135706241333
935465578215
1012601344731
115387148898
1225381b8a4b
13125a911501
14877834b23
154db456b8b
hex2ef1942db

12601344731 has 2 divisors, whose sum is σ = 12601344732. Its totient is φ = 12601344730.

The previous prime is 12601344599. The next prime is 12601344733. The reversal of 12601344731 is 13744310621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12601344731 - 230 = 11527602907 is a prime.

It is a super-2 number, since 2×126013447312 (a number of 21 digits) contains 22 as substring.

Together with 12601344733, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12601344733) 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 as a sum of consecutive naturals, namely, 6300672365 + 6300672366.

It is an arithmetic number, because the mean of its divisors is an integer number (6300672366).

Almost surely, 212601344731 is an apocalyptic number.

12601344731 is a deficient number, since it is larger than the sum of its proper divisors (1).

12601344731 is an equidigital number, since it uses as much as digits as its factorization.

12601344731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 12601344731 in words is "twelve billion, six hundred one million, three hundred forty-four thousand, seven hundred thirty-one".