Base | Representation |
---|---|
bin | 1111011111000000… |
… | …11000111100001000 |
3 | 210110100202221220221 |
4 | 13233200120330020 |
5 | 114011140301210 |
6 | 3452524555424 |
7 | 413003066443 |
oct | 75740307410 |
9 | 23410687827 |
10 | 8313212680 |
11 | 3586656803 |
12 | 17400b2b74 |
13 | a263b8b76 |
14 | 58c11a65a |
15 | 339c691da |
hex | 1ef818f08 |
8313212680 has 16 divisors (see below), whose sum is σ = 18704728620. Its totient is φ = 3325285056.
The previous prime is 8313212659. The next prime is 8313212683. The reversal of 8313212680 is 862123138.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 7531115524 + 782097156 = 86782^2 + 27966^2 .
It is not an unprimeable number, because it can be changed into a prime (8313212683) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103915119 + ... + 103915198.
Almost surely, 28313212680 is an apocalyptic number.
It is an amenable number.
8313212680 is an abundant number, since it is smaller than the sum of its proper divisors (10391515940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8313212680 is a wasteful number, since it uses less digits than its factorization.
8313212680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 207830328 (or 207830324 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 34.
The square root of 8313212680 is about 91176.8209579606. The cubic root of 8313212680 is about 2025.7676451498.
The spelling of 8313212680 in words is "eight billion, three hundred thirteen million, two hundred twelve thousand, six hundred eighty".
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