Base | Representation |
---|---|
bin | 10000010101010100… |
… | …10111101110000100 |
3 | 211122010001220101021 |
4 | 20022222113232010 |
5 | 120424304021311 |
6 | 4010042040524 |
7 | 430204455160 |
oct | 101252275604 |
9 | 24563056337 |
10 | 8768813956 |
11 | 379a848791 |
12 | 18487a9144 |
13 | a998c7216 |
14 | 5d2835ca0 |
15 | 364c62171 |
hex | 20aa97b84 |
8768813956 has 96 divisors (see below), whose sum is σ = 18695577600. Its totient is φ = 3515322240.
The previous prime is 8768813939. The next prime is 8768813957. The reversal of 8768813956 is 6593188678.
It is a junction number, because it is equal to n+sod(n) for n = 8768813894 and 8768813903.
It is not an unprimeable number, because it can be changed into a prime (8768813957) 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, 20345061 + ... + 20345491.
It is an arithmetic number, because the mean of its divisors is an integer number (194745600).
Almost surely, 28768813956 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8768813956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9347788800).
8768813956 is an abundant number, since it is smaller than the sum of its proper divisors (9926763644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8768813956 is a wasteful number, since it uses less digits than its factorization.
8768813956 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 857 (or 855 counting only the distinct ones).
The product of its digits is 17418240, while the sum is 61.
The square root of 8768813956 is about 93641.9454945272. The cubic root of 8768813956 is about 2062.1185008302.
The spelling of 8768813956 in words is "eight billion, seven hundred sixty-eight million, eight hundred thirteen thousand, nine hundred fifty-six".
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