Base | Representation |
---|---|
bin | 10000001011111010… |
… | …01101000101010010 |
3 | 211102121111212211102 |
4 | 20011331031011102 |
5 | 120244101140132 |
6 | 3554141544402 |
7 | 425225430335 |
oct | 100575150522 |
9 | 24377455742 |
10 | 8689865042 |
11 | 375a225251 |
12 | 1826275102 |
13 | a864443a1 |
14 | 5c616461c |
15 | 35cd69c62 |
hex | 205f4d152 |
8689865042 has 16 divisors (see below), whose sum is σ = 13731900000. Its totient is φ = 4112933760.
The previous prime is 8689865033. The next prime is 8689865047. The reversal of 8689865042 is 2405689868.
It is not an unprimeable number, because it can be changed into a prime (8689865047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44084 + ... + 139007.
It is an arithmetic number, because the mean of its divisors is an integer number (858243750).
Almost surely, 28689865042 is an apocalyptic number.
8689865042 is a deficient number, since it is larger than the sum of its proper divisors (5042034958).
8689865042 is a wasteful number, since it uses less digits than its factorization.
8689865042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 184361.
The product of its (nonzero) digits is 6635520, while the sum is 56.
The square root of 8689865042 is about 93219.4456216084. The cubic root of 8689865042 is about 2055.9111594958.
The spelling of 8689865042 in words is "eight billion, six hundred eighty-nine million, eight hundred sixty-five thousand, forty-two".
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