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25050415129 is a prime number
BaseRepresentation
bin10111010101000111…
…110000000000011001
32101122210202221100221
4113111013300000121
5402300401241004
615301421200041
71544526005155
oct272507600031
971583687327
1025050415129
11a695340723
124a31400021
132492b0885c
1412d8d4c065
159b9330354
hex5d51f0019

25050415129 has 2 divisors, whose sum is σ = 25050415130. Its totient is φ = 25050415128.

The previous prime is 25050415097. The next prime is 25050415163. The reversal of 25050415129 is 92151405052.

It is an a-pointer prime, because the next prime (25050415163) can be obtained adding 25050415129 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18367025625 + 6683389504 = 135525^2 + 81752^2 .

It is a cyclic number.

It is not a de Polignac number, because 25050415129 - 25 = 25050415097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25050415094 and 25050415103.

It is not a weakly prime, because it can be changed into another prime (25050415199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12525207564 + 12525207565.

It is an arithmetic number, because the mean of its divisors is an integer number (12525207565).

Almost surely, 225050415129 is an apocalyptic number.

It is an amenable number.

25050415129 is a deficient number, since it is larger than the sum of its proper divisors (1).

25050415129 is an equidigital number, since it uses as much as digits as its factorization.

25050415129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 25050415129 in words is "twenty-five billion, fifty million, four hundred fifteen thousand, one hundred twenty-nine".