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12257601041 = 76211281933
BaseRepresentation
bin10110110101001110…
…00010011000010001
31011122020211122112202
423122213002120101
5200100421213131
65344150532545
7612516614120
oct133247023021
934566748482
1012257601041
1152201070a4
122461067155
131204638b8a
14843d15ab7
154bb1a6bcb
hex2da9c2611

12257601041 has 8 divisors (see below), whose sum is σ = 14010992064. Its totient is φ = 10504786320.

The previous prime is 12257601029. The next prime is 12257601047. The reversal of 12257601041 is 14010675221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-12257601041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12257600995 and 12257601013.

It is not an unprimeable number, because it can be changed into a prime (12257601047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97490 + ... + 184443.

It is an arithmetic number, because the mean of its divisors is an integer number (1751374008).

Almost surely, 212257601041 is an apocalyptic number.

It is an amenable number.

12257601041 is a deficient number, since it is larger than the sum of its proper divisors (1753391023).

12257601041 is an equidigital number, since it uses as much as digits as its factorization.

12257601041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288151.

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 12257601041 in words is "twelve billion, two hundred fifty-seven million, six hundred one thousand, forty-one".

Divisors: 1 7 6211 43477 281933 1973531 1751085863 12257601041