Base | Representation |
---|---|
bin | 111011111111111… |
… | …1010011100000100 |
3 | 12012022021100101202 |
4 | 1313333322130010 |
5 | 13110342240030 |
6 | 531434442032 |
7 | 100614166346 |
oct | 16777723404 |
9 | 5168240352 |
10 | 2013243140 |
11 | 943472407 |
12 | 482293318 |
13 | 26113313c |
14 | 151545296 |
15 | bbb2b745 |
hex | 77ffa704 |
2013243140 has 48 divisors (see below), whose sum is σ = 4261662720. Its totient is φ = 798875520.
The previous prime is 2013243121. The next prime is 2013243161. The reversal of 2013243140 is 413423102.
It is a Harshad number since it is a multiple of its sum of digits (20).
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, 2746214 + ... + 2746946.
It is an arithmetic number, because the mean of its divisors is an integer number (88784640).
Almost surely, 22013243140 is an apocalyptic number.
2013243140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2013243140 is an abundant number, since it is smaller than the sum of its proper divisors (2248419580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2013243140 is a wasteful number, since it uses less digits than its factorization.
2013243140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1652 (or 1650 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 2013243140 is about 44869.1780624517. The cubic root of 2013243140 is about 1262.6958195753.
Adding to 2013243140 its reverse (413423102), we get a palindrome (2426666242).
The spelling of 2013243140 in words is "two billion, thirteen million, two hundred forty-three thousand, one hundred forty".
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