Base | Representation |
---|---|
bin | 10111010000010101… |
… | …01111011011001001 |
3 | 1012020002211222121100 |
4 | 23220022233123021 |
5 | 201032134030033 |
6 | 5422514132013 |
7 | 621251203434 |
oct | 135012573311 |
9 | 35202758540 |
10 | 12485064393 |
11 | 532754773a |
12 | 2505281009 |
13 | 123c7ba689 |
14 | 86620681b |
15 | 4d1138513 |
hex | 2e82af6c9 |
12485064393 has 6 divisors (see below), whose sum is σ = 18033981914. Its totient is φ = 8323376256.
The previous prime is 12485064359. The next prime is 12485064413. The reversal of 12485064393 is 39346058421.
12485064393 is a `hidden beast` number, since 12 + 4 + 8 + 506 + 43 + 93 = 666.
It can be written as a sum of positive squares in only one way, i.e., 11908920384 + 576144009 = 109128^2 + 24003^2 .
It is not a de Polignac number, because 12485064393 - 26 = 12485064329 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12485064353) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 693614680 + ... + 693614697.
Almost surely, 212485064393 is an apocalyptic number.
It is an amenable number.
12485064393 is a deficient number, since it is larger than the sum of its proper divisors (5548917521).
12485064393 is a wasteful number, since it uses less digits than its factorization.
12485064393 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1387229383 (or 1387229380 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 45.
The spelling of 12485064393 in words is "twelve billion, four hundred eighty-five million, sixty-four thousand, three hundred ninety-three".
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