Base | Representation |
---|---|
bin | 11000001100011000… |
… | …01010101110110000 |
3 | 1020112012122010000222 |
4 | 30012030022232300 |
5 | 203100110123424 |
6 | 5544510032212 |
7 | 636605410661 |
oct | 140614125660 |
9 | 36465563028 |
10 | 12988754864 |
11 | 55658a4858 |
12 | 2625aa8668 |
13 | 12bcc65487 |
14 | 8b307d368 |
15 | 51047ee5e |
hex | 30630abb0 |
12988754864 has 20 divisors (see below), whose sum is σ = 25296110856. Its totient is φ = 6460726272.
The previous prime is 12988754843. The next prime is 12988754893. The reversal of 12988754864 is 46845788921.
It is a junction number, because it is equal to n+sod(n) for n = 12988754797 and 12988754806.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100014 + ... + 2106189.
Almost surely, 212988754864 is an apocalyptic number.
It is an amenable number.
12988754864 is a deficient number, since it is larger than the sum of its proper divisors (12307355992).
12988754864 is a wasteful number, since it uses less digits than its factorization.
12988754864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4206404 (or 4206398 counting only the distinct ones).
The product of its digits is 30965760, while the sum is 62.
The spelling of 12988754864 in words is "twelve billion, nine hundred eighty-eight million, seven hundred fifty-four thousand, eight hundred sixty-four".
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