Base | Representation |
---|---|
bin | 10110111011110000… |
… | …01111101000100001 |
3 | 1011210002000221011011 |
4 | 23131320033220201 |
5 | 200203441142200 |
6 | 5353430220521 |
7 | 614054020342 |
oct | 133570175041 |
9 | 34702027134 |
10 | 12312443425 |
11 | 5249064a87 |
12 | 24774b4741 |
13 | 1212acb3a9 |
14 | 84b3100c9 |
15 | 4c0ddb5ba |
hex | 2dde0fa21 |
12312443425 has 12 divisors (see below), whose sum is σ = 15344156800. Its totient is φ = 9800453520.
The previous prime is 12312443419. The next prime is 12312443431. The reversal of 12312443425 is 52434421321.
It is an interprime number because it is at equal distance from previous prime (12312443419) and next prime (12312443431).
It is not a de Polignac number, because 12312443425 - 221 = 12310346273 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1232457 + ... + 1242406.
Almost surely, 212312443425 is an apocalyptic number.
It is an amenable number.
12312443425 is a deficient number, since it is larger than the sum of its proper divisors (3031713375).
12312443425 is a wasteful number, since it uses less digits than its factorization.
12312443425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2475072 (or 2475067 counting only the distinct ones).
The product of its digits is 23040, while the sum is 31.
Adding to 12312443425 its reverse (52434421321), we get a palindrome (64746864746).
The spelling of 12312443425 in words is "twelve billion, three hundred twelve million, four hundred forty-three thousand, four hundred twenty-five".
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