Base | Representation |
---|---|
bin | 111011111010001… |
… | …0010011100001000 |
3 | 12012002112112010100 |
4 | 1313310102130020 |
5 | 13104102230340 |
6 | 531245245400 |
7 | 100546244631 |
oct | 16764223410 |
9 | 5162475110 |
10 | 2010195720 |
11 | 941780885 |
12 | 481263860 |
13 | 260607030 |
14 | 150d90888 |
15 | bb728830 |
hex | 77d12708 |
2010195720 has 96 divisors (see below), whose sum is σ = 7035701400. Its totient is φ = 494816256.
The previous prime is 2010195709. The next prime is 2010195721. The reversal of 2010195720 is 275910102.
It can be written as a sum of positive squares in 4 ways, for example, as 1252735236 + 757460484 = 35394^2 + 27522^2 .
It is not an unprimeable number, because it can be changed into a prime (2010195721) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210085 + ... + 219444.
Almost surely, 22010195720 is an apocalyptic number.
2010195720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2010195720 is an abundant number, since it is smaller than the sum of its proper divisors (5025505680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2010195720 is a wasteful number, since it uses less digits than its factorization.
2010195720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 429559 (or 429552 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 27.
The square root of 2010195720 is about 44835.2062557986. The cubic root of 2010195720 is about 1262.0583890881.
The spelling of 2010195720 in words is "two billion, ten million, one hundred ninety-five thousand, seven hundred twenty".
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