Base | Representation |
---|---|
bin | 10110111010101000… |
… | …10011100110111101 |
3 | 1011202102022022002221 |
4 | 23131110103212331 |
5 | 200144033210100 |
6 | 5352452245341 |
7 | 613610652223 |
oct | 133524234675 |
9 | 34672268087 |
10 | 12303022525 |
11 | 524380aa12 |
12 | 2474310851 |
13 | 1210b802b1 |
14 | 849d7ab13 |
15 | 4c017a01a |
hex | 2dd5139bd |
12303022525 has 6 divisors (see below), whose sum is σ = 15255747962. Its totient is φ = 9842418000.
The previous prime is 12303022471. The next prime is 12303022559. The reversal of 12303022525 is 52522030321.
It can be written as a sum of positive squares in 3 ways, for example, as 1346376249 + 10956646276 = 36693^2 + 104674^2 .
It is not a de Polignac number, because 12303022525 - 217 = 12302891453 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 492120901 = 12303022525 / (1 + 2 + 3 + 0 + 3 + 0 + 2 + 2 + 5 + 2 + 5).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12303022525.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 246060426 + ... + 246060475.
Almost surely, 212303022525 is an apocalyptic number.
It is an amenable number.
12303022525 is a deficient number, since it is larger than the sum of its proper divisors (2952725437).
12303022525 is an equidigital number, since it uses as much as digits as its factorization.
12303022525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 492120911 (or 492120906 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 25.
Adding to 12303022525 its reverse (52522030321), we get a palindrome (64825052846).
The spelling of 12303022525 in words is "twelve billion, three hundred three million, twenty-two thousand, five hundred twenty-five".
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