Base | Representation |
---|---|
bin | 1100101011101011… |
… | …10110101110010000 |
3 | 122120112010110111121 |
4 | 12111311312232100 |
5 | 102421033442011 |
6 | 3043350052024 |
7 | 330505420000 |
oct | 62565665620 |
9 | 18515113447 |
10 | 6808890256 |
11 | 2984494033 |
12 | 13a034a014 |
13 | 84684235c |
14 | 488410000 |
15 | 29cb68e71 |
hex | 195d76b90 |
6808890256 has 75 divisors (see below), whose sum is σ = 15426655953. Its totient is φ = 2911164480.
The previous prime is 6808890203. The next prime is 6808890281. The reversal of 6808890256 is 6520988086.
The square root of 6808890256 is 82516.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 32307856 + 6776582400 = 5684^2 + 82320^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 16172926 + ... + 16173346.
Almost surely, 26808890256 is an apocalyptic number.
6808890256 is the 82516-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6808890256
6808890256 is an abundant number, since it is smaller than the sum of its proper divisors (8617765697).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6808890256 is an frugal number, since it uses more digits than its factorization.
6808890256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 878 (or 430 counting only the distinct ones).
The product of its (nonzero) digits is 1658880, while the sum is 52.
The cubic root of 6808890256 is about 1895.3617478765.
The spelling of 6808890256 in words is "six billion, eight hundred eight million, eight hundred ninety thousand, two hundred fifty-six".
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