Base | Representation |
---|---|
bin | 10000001010110111… |
… | …00110101011011010 |
3 | 211101222221101110010 |
4 | 20011123212223122 |
5 | 120234322310421 |
6 | 3553225102350 |
7 | 425060524020 |
oct | 100533465332 |
9 | 24358841403 |
10 | 8681056986 |
11 | 3755259668 |
12 | 18233279b6 |
13 | a8467c214 |
14 | 5c4d10710 |
15 | 35c1ca076 |
hex | 2056e6ada |
8681056986 has 16 divisors (see below), whose sum is σ = 19842416064. Its totient is φ = 2480301984.
The previous prime is 8681056961. The next prime is 8681056991. The reversal of 8681056986 is 6896501868.
8681056986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103345875 + ... + 103345958.
It is an arithmetic number, because the mean of its divisors is an integer number (1240151004).
Almost surely, 28681056986 is an apocalyptic number.
8681056986 is an abundant number, since it is smaller than the sum of its proper divisors (11161359078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8681056986 is a wasteful number, since it uses less digits than its factorization.
8681056986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 206691845.
The product of its (nonzero) digits is 4976640, while the sum is 57.
The square root of 8681056986 is about 93172.1899817751. The cubic root of 8681056986 is about 2055.2163001289.
The spelling of 8681056986 in words is "eight billion, six hundred eighty-one million, fifty-six thousand, nine hundred eighty-six".
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