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312788856310979 is a prime number
BaseRepresentation
bin100011100011110101101010…
…0101010111000110011000011
31112000111022201012100101010012
41013013223110222320303003
5311444213034203422404
63025125114502455135
7122612151306505256
oct10707532452706303
91460438635311105
10312788856310979
1190734010aa9574
122b0b86ab1344ab
131056bb2a147229
1457350c078509d
15262655159ca6e
hex11c7ad4ab8cc3

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".