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12300253425 = 325254667793
BaseRepresentation
bin10110111010010011…
…01111100011110001
31011202020002121121200
423131021233203301
5200142331102200
65352313041413
7613545300105
oct133511574361
934666077550
1012300253425
1152421994a9
1224733b6269
131210420a85
14849859905
154becce800
hex2dd26f8f1

12300253425 has 18 divisors (see below), whose sum is σ = 22031120982. Its totient is φ = 6560135040.

The previous prime is 12300253417. The next prime is 12300253429. The reversal of 12300253425 is 52435200321.

It is a happy number.

12300253425 is a `hidden beast` number, since 1 + 230 + 0 + 2 + 5 + 3 + 425 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 193432464 + 12106820961 = 13908^2 + 110031^2 .

It is not a de Polignac number, because 12300253425 - 23 = 12300253417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12300253429) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27333672 + ... + 27334121.

Almost surely, 212300253425 is an apocalyptic number.

12300253425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12300253425 is a deficient number, since it is larger than the sum of its proper divisors (9730867557).

12300253425 is a wasteful number, since it uses less digits than its factorization.

12300253425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54667809 (or 54667801 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 12300253425 its reverse (52435200321), we get a palindrome (64735453746).

The spelling of 12300253425 in words is "twelve billion, three hundred million, two hundred fifty-three thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 54667793 164003379 273338965 492010137 820016895 1366694825 2460050685 4100084475 12300253425