Base | Representation |
---|---|
bin | 111111100001001… |
… | …0011101000011010 |
3 | 12111112102211020021 |
4 | 1333002103220122 |
5 | 13331103424010 |
6 | 551253221054 |
7 | 103546563034 |
oct | 17702235032 |
9 | 5445384207 |
10 | 2131311130 |
11 | 9a4084663 |
12 | 4b593178a |
13 | 27c731860 |
14 | 1630bac54 |
15 | c719e8da |
hex | 7f093a1a |
2131311130 has 32 divisors (see below), whose sum is σ = 4348915200. Its totient is φ = 745526592.
The previous prime is 2131311109. The next prime is 2131311151. The reversal of 2131311130 is 311131312.
It is an interprime number because it is at equal distance from previous prime (2131311109) and next prime (2131311151).
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, 428970 + ... + 433909.
It is an arithmetic number, because the mean of its divisors is an integer number (135903600).
Almost surely, 22131311130 is an apocalyptic number.
2131311130 is an abundant number, since it is smaller than the sum of its proper divisors (2217604070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131311130 is a wasteful number, since it uses less digits than its factorization.
2131311130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 862918.
The product of its (nonzero) digits is 54, while the sum is 16.
The square root of 2131311130 is about 46166.1253518205. The cubic root of 2131311130 is about 1286.9122975824.
Adding to 2131311130 its reverse (311131312), we get a palindrome (2442442442).
The spelling of 2131311130 in words is "two billion, one hundred thirty-one million, three hundred eleven thousand, one hundred thirty".
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