Base | Representation |
---|---|
bin | 10000001011000101… |
… | …11000111111000101 |
3 | 211102010112102110200 |
4 | 20011202320333011 |
5 | 120240314420411 |
6 | 3553334041113 |
7 | 425113000353 |
oct | 100542707705 |
9 | 24363472420 |
10 | 8682966981 |
11 | 3756343677 |
12 | 1823aa9199 |
13 | a84b9a6b0 |
14 | 5c528a7d3 |
15 | 35c455e56 |
hex | 2058b8fc5 |
8682966981 has 48 divisors (see below), whose sum is σ = 13753255152. Its totient is φ = 5246208000.
The previous prime is 8682966967. The next prime is 8682966983. The reversal of 8682966981 is 1896692868.
It can be written as a sum of positive squares in 8 ways, for example, as 7767601956 + 915365025 = 88134^2 + 30255^2 .
It is not a de Polignac number, because 8682966981 - 25 = 8682966949 is a prime.
It is a super-2 number, since 2×86829669812 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8682966983) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7229181 + ... + 7230381.
It is an arithmetic number, because the mean of its divisors is an integer number (286526149).
Almost surely, 28682966981 is an apocalyptic number.
It is an amenable number.
8682966981 is a deficient number, since it is larger than the sum of its proper divisors (5070288171).
8682966981 is a wasteful number, since it uses less digits than its factorization.
8682966981 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2294 (or 2291 counting only the distinct ones).
The product of its digits is 17915904, while the sum is 63.
The square root of 8682966981 is about 93182.4392307907. The cubic root of 8682966981 is about 2055.3670177588.
The spelling of 8682966981 in words is "eight billion, six hundred eighty-two million, nine hundred sixty-six thousand, nine hundred eighty-one".
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