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104025126631 = 445123371181
BaseRepresentation
bin110000011100001100…
…0010111011011100111
3100221111200121221221211
41200320120113123213
53201020413023011
6115442151252251
710341560662366
oct1407030273347
9327450557854
10104025126631
1140131521338
12181b197a087
139a6a6bab8a
14506b8757dd
152a8c7c4b21
hex18386176e7

104025126631 has 4 divisors (see below), whose sum is σ = 104048502264. Its totient is φ = 104001751000.

The previous prime is 104025126607. The next prime is 104025126679. The reversal of 104025126631 is 136621520401.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 104025126631 - 29 = 104025126119 is a prime.

It is a super-2 number, since 2×1040251266312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104025126593 and 104025126602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104025126431) 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 in 3 ways as a sum of consecutive naturals, for example, 11681140 + ... + 11690041.

It is an arithmetic number, because the mean of its divisors is an integer number (26012125566).

Almost surely, 2104025126631 is an apocalyptic number.

104025126631 is a deficient number, since it is larger than the sum of its proper divisors (23375633).

104025126631 is an equidigital number, since it uses as much as digits as its factorization.

104025126631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23375632.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 104025126631 in words is "one hundred four billion, twenty-five million, one hundred twenty-six thousand, six hundred thirty-one".

Divisors: 1 4451 23371181 104025126631