Base | Representation |
---|---|
bin | 11001011110110101… |
… | …10000110100110000 |
3 | 1022022102011200221122 |
4 | 30233122300310300 |
5 | 211004143244033 |
6 | 10141255241412 |
7 | 663004610312 |
oct | 145732606460 |
9 | 38272150848 |
10 | 13680446768 |
11 | 589028a15a |
12 | 2799679268 |
13 | 13a0356121 |
14 | 93ac937b2 |
15 | 551060a98 |
hex | 32f6b0d30 |
13680446768 has 20 divisors (see below), whose sum is σ = 26768303088. Its totient is φ = 6772497600.
The previous prime is 13680446729. The next prime is 13680446807. The reversal of 13680446768 is 86764408631.
13680446768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (13680446729) and next prime (13680446807).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4231196 + ... + 4234427.
Almost surely, 213680446768 is an apocalyptic number.
It is an amenable number.
13680446768 is a deficient number, since it is larger than the sum of its proper divisors (13087856320).
13680446768 is a wasteful number, since it uses less digits than its factorization.
13680446768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8465732 (or 8465726 counting only the distinct ones).
The product of its (nonzero) digits is 4644864, while the sum is 53.
The spelling of 13680446768 in words is "thirteen billion, six hundred eighty million, four hundred forty-six thousand, seven hundred sixty-eight".
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