Base | Representation |
---|---|
bin | 101101110100110… |
… | …000110001101011 |
3 | 1222120122101120010 |
4 | 231310300301223 |
5 | 3033303242440 |
6 | 204142103003 |
7 | 25023512616 |
oct | 5564606153 |
9 | 1876571503 |
10 | 768805995 |
11 | 364a75361 |
12 | 19557aa63 |
13 | c33805b9 |
14 | 7416917d |
15 | 47764580 |
hex | 2dd30c6b |
768805995 has 32 divisors (see below), whose sum is σ = 1247500800. Its totient is φ = 404259840.
The previous prime is 768805993. The next prime is 768806029. The reversal of 768805995 is 599508867.
It is not a de Polignac number, because 768805995 - 21 = 768805993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (768805993) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451656 + ... + 453354.
It is an arithmetic number, because the mean of its divisors is an integer number (38984400).
Almost surely, 2768805995 is an apocalyptic number.
768805995 is a deficient number, since it is larger than the sum of its proper divisors (478694805).
768805995 is a wasteful number, since it uses less digits than its factorization.
768805995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2115.
The product of its (nonzero) digits is 5443200, while the sum is 57.
The square root of 768805995 is about 27727.3510274602. The cubic root of 768805995 is about 916.0916410511.
The spelling of 768805995 in words is "seven hundred sixty-eight million, eight hundred five thousand, nine hundred ninety-five".
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