Base | Representation |
---|---|
bin | 10111010011101011… |
… | …01100111011111100 |
3 | 1012022001121112011221 |
4 | 23221311230323330 |
5 | 201111323303422 |
6 | 5425355123124 |
7 | 622041424432 |
oct | 135165547374 |
9 | 35261545157 |
10 | 12513103612 |
11 | 5341358a49 |
12 | 25127434a4 |
13 | 1245557029 |
14 | 869c24d52 |
15 | 4d38263c7 |
hex | 2e9d6cefc |
12513103612 has 6 divisors (see below), whose sum is σ = 21897931328. Its totient is φ = 6256551804.
The previous prime is 12513103597. The next prime is 12513103637. The reversal of 12513103612 is 21630131521.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564137948 + ... + 1564137955.
Almost surely, 212513103612 is an apocalyptic number.
It is an amenable number.
12513103612 is a deficient number, since it is larger than the sum of its proper divisors (9384827716).
12513103612 is a wasteful number, since it uses less digits than its factorization.
12513103612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3128275907 (or 3128275905 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 25.
The spelling of 12513103612 in words is "twelve billion, five hundred thirteen million, one hundred three thousand, six hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •