Base | Representation |
---|---|
bin | 111111011110101… |
… | …0100100110001001 |
3 | 12111102222102200102 |
4 | 1332331110212021 |
5 | 13330240114421 |
6 | 551205215145 |
7 | 103532511152 |
oct | 17675244611 |
9 | 5442872612 |
10 | 2130004361 |
11 | 9a3371891 |
12 | 4b54014b5 |
13 | 27c394b14 |
14 | 162c5a929 |
15 | c6ee260b |
hex | 7ef54989 |
2130004361 has 2 divisors, whose sum is σ = 2130004362. Its totient is φ = 2130004360.
The previous prime is 2130004343. The next prime is 2130004363. The reversal of 2130004361 is 1634000312.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1320886336 + 809118025 = 36344^2 + 28445^2 .
It is a cyclic number.
It is not a de Polignac number, because 2130004361 - 218 = 2129742217 is a prime.
It is a Sophie Germain prime.
Together with 2130004363, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (2130004363) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065002180 + 1065002181.
It is an arithmetic number, because the mean of its divisors is an integer number (1065002181).
Almost surely, 22130004361 is an apocalyptic number.
It is an amenable number.
2130004361 is a deficient number, since it is larger than the sum of its proper divisors (1).
2130004361 is an equidigital number, since it uses as much as digits as its factorization.
2130004361 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 2130004361 is about 46151.9702829684. The cubic root of 2130004361 is about 1286.6492293254.
Adding to 2130004361 its reverse (1634000312), we get a palindrome (3764004673).
The spelling of 2130004361 in words is "two billion, one hundred thirty million, four thousand, three hundred sixty-one".
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