Base | Representation |
---|---|
bin | 10000101111000111… |
… | …00010001101011000 |
3 | 212012012002200100002 |
4 | 20113203202031120 |
5 | 121400143010340 |
6 | 4043330232132 |
7 | 435442210544 |
oct | 102743421530 |
9 | 25165080302 |
10 | 8985125720 |
11 | 38a0961a3a |
12 | 18a9125648 |
13 | b02672c4c |
14 | 613462a24 |
15 | 378c3e715 |
hex | 2178e2358 |
8985125720 has 64 divisors (see below), whose sum is σ = 21109429440. Its totient is φ = 3435520000.
The previous prime is 8985125711. The next prime is 8985125749. The reversal of 8985125720 is 275215898.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2243720 + ... + 2247720.
It is an arithmetic number, because the mean of its divisors is an integer number (329834835).
Almost surely, 28985125720 is an apocalyptic number.
It is an amenable number.
8985125720 is an abundant number, since it is smaller than the sum of its proper divisors (12124303720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8985125720 is a wasteful number, since it uses less digits than its factorization.
8985125720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6476 (or 6472 counting only the distinct ones).
The product of its (nonzero) digits is 403200, while the sum is 47.
The square root of 8985125720 is about 94789.9030487952. The cubic root of 8985125720 is about 2078.9372745497.
The spelling of 8985125720 in words is "eight billion, nine hundred eighty-five million, one hundred twenty-five thousand, seven hundred twenty".
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