Base | Representation |
---|---|
bin | 111111011111010… |
… | …0000111111011111 |
3 | 12111110120022220222 |
4 | 1332332200333133 |
5 | 13330330123104 |
6 | 551220031555 |
7 | 103535253356 |
oct | 17676407737 |
9 | 5443508828 |
10 | 2130317279 |
11 | 9a35659a2 |
12 | 4b55325bb |
13 | 27c47438c |
14 | 162cdc99d |
15 | c70551be |
hex | 7efa0fdf |
2130317279 has 2 divisors, whose sum is σ = 2130317280. Its totient is φ = 2130317278.
The previous prime is 2130317263. The next prime is 2130317281. The reversal of 2130317279 is 9727130312.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2130317279 - 24 = 2130317263 is a prime.
It is a Sophie Germain prime.
Together with 2130317281, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2130317479) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065158639 + 1065158640.
It is an arithmetic number, because the mean of its divisors is an integer number (1065158640).
Almost surely, 22130317279 is an apocalyptic number.
2130317279 is a deficient number, since it is larger than the sum of its proper divisors (1).
2130317279 is an equidigital number, since it uses as much as digits as its factorization.
2130317279 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 15876, while the sum is 35.
The square root of 2130317279 is about 46155.3602412548. The cubic root of 2130317279 is about 1286.7122332636.
The spelling of 2130317279 in words is "two billion, one hundred thirty million, three hundred seventeen thousand, two hundred seventy-nine".
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