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19252508425 = 52805395629
BaseRepresentation
bin10001111011100010…
…011111011100001001
31211200201222202120121
4101323202133130021
5303412120232200
612502224023241
71251044423113
oct217342373411
954621882517
1019252508425
11818a5a2597
123893761b21
131a7a87ab27
14d08d083b3
1577a316e1a
hex47b89f709

19252508425 has 12 divisors (see below), whose sum is σ = 23876324620. Its totient is φ = 15399933120.

The previous prime is 19252508413. The next prime is 19252508437. The reversal of 19252508425 is 52480525291.

It is an interprime number because it is at equal distance from previous prime (19252508413) and next prime (19252508437).

It can be written as a sum of positive squares in 6 ways, for example, as 2272333561 + 16980174864 = 47669^2 + 130308^2 .

It is not a de Polignac number, because 19252508425 - 213 = 19252500233 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 153511 + ... + 249139.

Almost surely, 219252508425 is an apocalyptic number.

It is an amenable number.

19252508425 is a deficient number, since it is larger than the sum of its proper divisors (4623816195).

19252508425 is an equidigital number, since it uses as much as digits as its factorization.

19252508425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103692 (or 103687 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 19252508425 in words is "nineteen billion, two hundred fifty-two million, five hundred eight thousand, four hundred twenty-five".

Divisors: 1 5 25 8053 40265 95629 201325 478145 2390725 770100337 3850501685 19252508425