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312954074137 is a prime number
BaseRepresentation
bin1001000110111011000…
…01000011010000011001
31002220210022022011202201
410203131201003100121
520111412220333022
6355434043530201
731416202511335
oct4433541032031
91086708264681
10312954074137
111107a54639a1
125079b829961
1323685840733
141120b7547c5
158219a8d127
hex48dd843419

312954074137 has 2 divisors, whose sum is σ = 312954074138. Its totient is φ = 312954074136.

The previous prime is 312954074123. The next prime is 312954074317. The reversal of 312954074137 is 731470459213.

Together with next prime (312954074317) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203512863376 + 109441210761 = 451124^2 + 330819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312954074137 is a prime.

It is not a weakly prime, because it can be changed into another prime (312954078137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156477037068 + 156477037069.

It is an arithmetic number, because the mean of its divisors is an integer number (156477037069).

Almost surely, 2312954074137 is an apocalyptic number.

It is an amenable number.

312954074137 is a deficient number, since it is larger than the sum of its proper divisors (1).

312954074137 is an equidigital number, since it uses as much as digits as its factorization.

312954074137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 312954074137 in words is "three hundred twelve billion, nine hundred fifty-four million, seventy-four thousand, one hundred thirty-seven".