Base | Representation |
---|---|
bin | 10000101111000111… |
… | …01011100001000101 |
3 | 212012012011121122010 |
4 | 20113203223201011 |
5 | 121400200220340 |
6 | 4043331124433 |
7 | 435442426650 |
oct | 102743534105 |
9 | 25165147563 |
10 | 8985163845 |
11 | 38a0988649 |
12 | 18a9143719 |
13 | b026873c8 |
14 | 613472897 |
15 | 378c4ab80 |
hex | 2178eb845 |
8985163845 has 64 divisors (see below), whose sum is σ = 16987815936. Its totient is φ = 3968490240.
The previous prime is 8985163843. The next prime is 8985163849. The reversal of 8985163845 is 5483615898.
It is not a de Polignac number, because 8985163845 - 21 = 8985163843 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8985163843) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2364487 + ... + 2368283.
It is an arithmetic number, because the mean of its divisors is an integer number (265434624).
Almost surely, 28985163845 is an apocalyptic number.
It is an amenable number.
8985163845 is a deficient number, since it is larger than the sum of its proper divisors (8002652091).
8985163845 is a wasteful number, since it uses less digits than its factorization.
8985163845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4570.
The product of its digits is 8294400, while the sum is 57.
The square root of 8985163845 is about 94790.1041512246. The cubic root of 8985163845 is about 2078.9402149416.
The spelling of 8985163845 in words is "eight billion, nine hundred eighty-five million, one hundred sixty-three thousand, eight hundred forty-five".
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