Base | Representation |
---|---|
bin | 101101111000110… |
… | …011011111000100 |
3 | 1222122122020011021 |
4 | 231320303133010 |
5 | 3034041200133 |
6 | 204220520524 |
7 | 25035515215 |
oct | 5570633704 |
9 | 1878566137 |
10 | 769865668 |
11 | 365629520 |
12 | 1959b0144 |
13 | c3661a20 |
14 | 7436340c |
15 | 478c352d |
hex | 2de337c4 |
769865668 has 48 divisors (see below), whose sum is σ = 1637415360. Its totient is φ = 311875200.
The previous prime is 769865653. The next prime is 769865669. The reversal of 769865668 is 866568967.
It is not an unprimeable number, because it can be changed into a prime (769865669) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 6618 + ... + 39793.
It is an arithmetic number, because the mean of its divisors is an integer number (34112820).
Almost surely, 2769865668 is an apocalyptic number.
It is an amenable number.
769865668 is an abundant number, since it is smaller than the sum of its proper divisors (867549692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
769865668 is a wasteful number, since it uses less digits than its factorization.
769865668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46468 (or 46466 counting only the distinct ones).
The product of its digits is 26127360, while the sum is 61.
The square root of 769865668 is about 27746.4532508211. The cubic root of 769865668 is about 916.5123418586.
The spelling of 769865668 in words is "seven hundred sixty-nine million, eight hundred sixty-five thousand, six hundred sixty-eight".
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