Base | Representation |
---|---|
bin | 110011110001101… |
… | …111010001001000 |
3 | 2020112120100101101 |
4 | 303301233101020 |
5 | 3234340123210 |
6 | 222110431144 |
7 | 30345426034 |
oct | 6361572110 |
9 | 2215510341 |
10 | 868676680 |
11 | 406388713 |
12 | 202b024b4 |
13 | 10ac7a291 |
14 | 835251c4 |
15 | 513e0a3a |
hex | 33c6f448 |
868676680 has 32 divisors (see below), whose sum is σ = 1956036600. Its totient is φ = 347201536.
The previous prime is 868676663. The next prime is 868676681. The reversal of 868676680 is 86676868.
868676680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 597020356 + 271656324 = 24434^2 + 16482^2 .
It is not an unprimeable number, because it can be changed into a prime (868676681) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48654 + ... + 64066.
Almost surely, 2868676680 is an apocalyptic number.
It is an amenable number.
868676680 is an abundant number, since it is smaller than the sum of its proper divisors (1087359920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
868676680 is a wasteful number, since it uses less digits than its factorization.
868676680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16833 (or 16829 counting only the distinct ones).
The product of its (nonzero) digits is 4644864, while the sum is 55.
The square root of 868676680 is about 29473.3214958884. The cubic root of 868676680 is about 954.1560044151.
The spelling of 868676680 in words is "eight hundred sixty-eight million, six hundred seventy-six thousand, six hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •