Base | Representation |
---|---|
bin | 10010010111011001… |
… | …11010110011011001 |
3 | 221110011022221120200 |
4 | 21023230322303121 |
5 | 130143130012420 |
6 | 4310222012413 |
7 | 466224424362 |
oct | 111354726331 |
9 | 27404287520 |
10 | 9860000985 |
11 | 41aa79374a |
12 | 1ab2117109 |
13 | c119b0713 |
14 | 69771cb69 |
15 | 3ca956b90 |
hex | 24bb3acd9 |
9860000985 has 48 divisors (see below), whose sum is σ = 18213272064. Its totient is φ = 4922983296.
The previous prime is 9860000977. The next prime is 9860001013. The reversal of 9860000985 is 5890000689.
It is not a de Polignac number, because 9860000985 - 23 = 9860000977 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 9860000985.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52702 + ... + 149991.
It is an arithmetic number, because the mean of its divisors is an integer number (379443168).
Almost surely, 29860000985 is an apocalyptic number.
It is an amenable number.
9860000985 is a deficient number, since it is larger than the sum of its proper divisors (8353271079).
9860000985 is a wasteful number, since it uses less digits than its factorization.
9860000985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202774 (or 202771 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 45.
The square root of 9860000985 is about 99297.5376582924. The cubic root of 9860000985 is about 2144.3334457185. Note that the first 3 decimals are identical.
The spelling of 9860000985 in words is "nine billion, eight hundred sixty million, nine hundred eighty-five", and thus it is an aban number.
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