Base | Representation |
---|---|
bin | 111100001010111… |
… | …0000001011000100 |
3 | 12012201001012210020 |
4 | 1320111300023010 |
5 | 13113323441020 |
6 | 532201255140 |
7 | 101013642561 |
oct | 17025601304 |
9 | 5181035706 |
10 | 2018968260 |
11 | 946722811 |
12 | 4841944b0 |
13 | 262388c9a |
14 | 1521d5868 |
15 | bc3acc40 |
hex | 785702c4 |
2018968260 has 48 divisors (see below), whose sum is σ = 5666673600. Its totient is φ = 537099904.
The previous prime is 2018968241. The next prime is 2018968261. The reversal of 2018968260 is 628698102.
It is not an unprimeable number, because it can be changed into a prime (2018968261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15015 + ... + 65294.
It is an arithmetic number, because the mean of its divisors is an integer number (118055700).
Almost surely, 22018968260 is an apocalyptic number.
2018968260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2018968260 is an abundant number, since it is smaller than the sum of its proper divisors (3647705340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2018968260 is a wasteful number, since it uses less digits than its factorization.
2018968260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80740 (or 80738 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 42.
The square root of 2018968260 is about 44932.9306856341. The cubic root of 2018968260 is about 1263.8916088022.
The spelling of 2018968260 in words is "two billion, eighteen million, nine hundred sixty-eight thousand, two hundred sixty".
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