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12300030025 = 5226310871721
BaseRepresentation
bin10110111010010001…
…11001000001001001
31011202012200021011121
423131020321001021
5200142301430100
65352304155241
7613543346563
oct133510710111
934665607147
1012300030025
115242056678
122473308b21
13121037319a
148497dc333
154bec8851a
hex2dd239049

12300030025 has 24 divisors (see below), whose sum is σ = 15333018624. Its totient is φ = 9787900800.

The previous prime is 12300029993. The next prime is 12300030151. The reversal of 12300030025 is 52003000321.

It is not a de Polignac number, because 12300030025 - 25 = 12300029993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12300029990 and 12300030008.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7146165 + ... + 7147885.

It is an arithmetic number, because the mean of its divisors is an integer number (638875776).

Almost surely, 212300030025 is an apocalyptic number.

It is an amenable number.

12300030025 is a deficient number, since it is larger than the sum of its proper divisors (3032988599).

12300030025 is a wasteful number, since it uses less digits than its factorization.

12300030025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081 (or 3076 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

Adding to 12300030025 its reverse (52003000321), we get a palindrome (64303030346).

The spelling of 12300030025 in words is "twelve billion, three hundred million, thirty thousand, twenty-five".

Divisors: 1 5 25 263 1087 1315 1721 5435 6575 8605 27175 43025 285881 452623 1429405 1870727 2263115 7147025 9353635 11315575 46768175 492001201 2460006005 12300030025