Base | Representation |
---|---|
bin | 101101110010000… |
… | …000101101010010 |
3 | 1222112021202021212 |
4 | 231302000231102 |
5 | 3033112203233 |
6 | 204114420122 |
7 | 25014420224 |
oct | 5562005522 |
9 | 1875252255 |
10 | 768084818 |
11 | 364622546 |
12 | 195291642 |
13 | c318a277 |
14 | 7401c414 |
15 | 47670a48 |
hex | 2dc80b52 |
768084818 has 6 divisors (see below), whose sum is σ = 1152186021. Its totient is φ = 384022812.
The previous prime is 768084817. The next prime is 768084859. The reversal of 768084818 is 818480867.
It can be written as a sum of positive squares in 2 ways, for example, as 757735729 + 10349089 = 27527^2 + 3217^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=19597.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (768084817) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 29396 + ... + 48992.
Almost surely, 2768084818 is an apocalyptic number.
768084818 is a deficient number, since it is larger than the sum of its proper divisors (384101203).
768084818 is an frugal number, since it uses more digits than its factorization.
768084818 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39196 (or 19599 counting only the distinct ones).
The product of its (nonzero) digits is 688128, while the sum is 50.
The square root of 768084818 is about 27714.3431818255. The cubic root of 768084818 is about 915.8051054310.
Multiplying 768084818 by its sum of digits (50), we get a square (38404240900 = 1959702).
The spelling of 768084818 in words is "seven hundred sixty-eight million, eighty-four thousand, eight hundred eighteen".
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