Base | Representation |
---|---|
bin | 100011100011110101101010… |
… | …0101010111000110011000011 |
3 | 1112000111022201012100101010012 |
4 | 1013013223110222320303003 |
5 | 311444213034203422404 |
6 | 3025125114502455135 |
7 | 122612151306505256 |
oct | 10707532452706303 |
9 | 1460438635311105 |
10 | 312788856310979 |
11 | 90734010aa9574 |
12 | 2b0b86ab1344ab |
13 | 1056bb2a147229 |
14 | 57350c078509d |
15 | 262655159ca6e |
hex | 11c7ad4ab8cc3 |
312788856310979 has 2 divisors, whose sum is σ = 312788856310980. Its totient is φ = 312788856310978.
The previous prime is 312788856310961. The next prime is 312788856310981. The reversal of 312788856310979 is 979013658887213.
It is a strong prime.
It is an emirp because it is prime and its reverse (979013658887213) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 312788856310979 - 216 = 312788856245443 is a prime.
Together with 312788856310981, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (312788856312979) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156394428155489 + 156394428155490.
It is an arithmetic number, because the mean of its divisors is an integer number (156394428155490).
Almost surely, 2312788856310979 is an apocalyptic number.
312788856310979 is a deficient number, since it is larger than the sum of its proper divisors (1).
312788856310979 is an equidigital number, since it uses as much as digits as its factorization.
312788856310979 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1097349120, while the sum is 77.
The spelling of 312788856310979 in words is "three hundred twelve trillion, seven hundred eighty-eight billion, eight hundred fifty-six million, three hundred ten thousand, nine hundred seventy-nine".
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