Base | Representation |
---|---|
bin | 10010000011000111… |
… | …11111110000100110 |
3 | 221000022020101221112 |
4 | 21001203333300212 |
5 | 124321102433310 |
6 | 4241303545022 |
7 | 462060463445 |
oct | 110143776046 |
9 | 27008211845 |
10 | 9689889830 |
11 | 4122765715 |
12 | 1a6515b172 |
13 | bb568c92a |
14 | 67ccbad5c |
15 | 3baa53705 |
hex | 2418ffc26 |
9689889830 has 32 divisors (see below), whose sum is σ = 17847389664. Its totient is φ = 3786455296.
The previous prime is 9689889829. The next prime is 9689889893. The reversal of 9689889830 is 389889869.
9689889830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 84257 + ... + 162723.
It is an arithmetic number, because the mean of its divisors is an integer number (557730927).
Almost surely, 29689889830 is an apocalyptic number.
9689889830 is a deficient number, since it is larger than the sum of its proper divisors (8157499834).
9689889830 is a wasteful number, since it uses less digits than its factorization.
9689889830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78760.
The product of its (nonzero) digits is 53747712, while the sum is 68.
The square root of 9689889830 is about 98437.2380250482. The cubic root of 9689889830 is about 2131.9300271133.
The spelling of 9689889830 in words is "nine billion, six hundred eighty-nine million, eight hundred eighty-nine thousand, eight hundred thirty".
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