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12725624641 is a prime number
BaseRepresentation
bin10111101101000000…
…11001111101000001
31012211212111201020011
423312200121331001
5202030224442031
65502430144521
7630232011322
oct136640317501
935755451204
1012725624641
115440313164
122571952141
13127a5a6512
1488a146449
154e73056b1
hex2f6819f41

12725624641 has 2 divisors, whose sum is σ = 12725624642. Its totient is φ = 12725624640.

The previous prime is 12725624629. The next prime is 12725624689. The reversal of 12725624641 is 14642652721.

It is a happy number.

12725624641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6590192400 + 6135432241 = 81180^2 + 78329^2 .

It is a cyclic number.

It is not a de Polignac number, because 12725624641 - 25 = 12725624609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12725624594 and 12725624603.

It is not a weakly prime, because it can be changed into another prime (12725624741) by changing a digit.

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 as a sum of consecutive naturals, namely, 6362812320 + 6362812321.

It is an arithmetic number, because the mean of its divisors is an integer number (6362812321).

Almost surely, 212725624641 is an apocalyptic number.

It is an amenable number.

12725624641 is a deficient number, since it is larger than the sum of its proper divisors (1).

12725624641 is an equidigital number, since it uses as much as digits as its factorization.

12725624641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 40.

The spelling of 12725624641 in words is "twelve billion, seven hundred twenty-five million, six hundred twenty-four thousand, six hundred forty-one".