Base | Representation |
---|---|
bin | 1011111110011111… |
… | …10010101110110000 |
3 | 121121002211101012102 |
4 | 11333033302232300 |
5 | 101132013014210 |
6 | 2542005115532 |
7 | 315223341323 |
oct | 57717625660 |
9 | 17532741172 |
10 | 6429813680 |
11 | 27aa50a204 |
12 | 12b53b8ba8 |
13 | 7b61485a4 |
14 | 44dd347ba |
15 | 279739ea5 |
hex | 17f3f2bb0 |
6429813680 has 40 divisors (see below), whose sum is σ = 14960015712. Its totient is φ = 2570084864.
The previous prime is 6429813679. The next prime is 6429813701. The reversal of 6429813680 is 863189246.
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86597 + ... + 142683.
Almost surely, 26429813680 is an apocalyptic number.
It is an amenable number.
6429813680 is an abundant number, since it is smaller than the sum of its proper divisors (8530202032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6429813680 is a wasteful number, since it uses less digits than its factorization.
6429813680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57533 (or 57527 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 47.
The square root of 6429813680 is about 80186.1189982406. The cubic root of 6429813680 is about 1859.5140442422.
The spelling of 6429813680 in words is "six billion, four hundred twenty-nine million, eight hundred thirteen thousand, six hundred eighty".
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