Base | Representation |
---|---|
bin | 10000101110011111… |
… | …11011001010111100 |
3 | 212011211102111201011 |
4 | 20113033323022330 |
5 | 121342334010314 |
6 | 4043024125004 |
7 | 435350420350 |
oct | 102717731274 |
9 | 25154374634 |
10 | 8979985084 |
11 | 3898a70784 |
12 | 18a7466764 |
13 | b01593155 |
14 | 6128c5460 |
15 | 3785764c4 |
hex | 2173fb2bc |
8979985084 has 12 divisors (see below), whose sum is σ = 17959970224. Its totient is φ = 3848565024.
The previous prime is 8979985057. The next prime is 8979985087. The reversal of 8979985084 is 4805899798.
8979985084 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8979985087) 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, 160356849 + ... + 160356904.
Almost surely, 28979985084 is an apocalyptic number.
It is an amenable number.
8979985084 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8979985084 is a wasteful number, since it uses less digits than its factorization.
8979985084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320713764 (or 320713762 counting only the distinct ones).
The product of its (nonzero) digits is 52254720, while the sum is 67.
The square root of 8979985084 is about 94762.7832221068. The cubic root of 8979985084 is about 2078.5407266365.
The spelling of 8979985084 in words is "eight billion, nine hundred seventy-nine million, nine hundred eighty-five thousand, eighty-four".
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