Base | Representation |
---|---|
bin | 111111011111000… |
… | …1110111000000111 |
3 | 12111110102120010211 |
4 | 1332332032320013 |
5 | 13330320234304 |
6 | 551214300251 |
7 | 103534524136 |
oct | 17676167007 |
9 | 5443376124 |
10 | 2130243079 |
11 | 9a3515178 |
12 | 4b54b7687 |
13 | 27c449683 |
14 | 162cbd91d |
15 | c703d204 |
hex | 7ef8ee07 |
2130243079 has 2 divisors, whose sum is σ = 2130243080. Its totient is φ = 2130243078.
The previous prime is 2130243077. The next prime is 2130243107. The reversal of 2130243079 is 9703420312.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2130243079 - 21 = 2130243077 is a prime.
Together with 2130243077, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 2130243079.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2130243077) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065121539 + 1065121540.
It is an arithmetic number, because the mean of its divisors is an integer number (1065121540).
Almost surely, 22130243079 is an apocalyptic number.
2130243079 is a deficient number, since it is larger than the sum of its proper divisors (1).
2130243079 is an equidigital number, since it uses as much as digits as its factorization.
2130243079 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9072, while the sum is 31.
The square root of 2130243079 is about 46154.5564272911. The cubic root of 2130243079 is about 1286.6972941499.
The spelling of 2130243079 in words is "two billion, one hundred thirty million, two hundred forty-three thousand, seventy-nine".
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