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30317925697 is a prime number
BaseRepresentation
bin11100001111000101…
…101101010101000001
32220020220112012102221
4130033011231111001
5444042342110242
621532230211041
72122210054633
oct341705552501
986226465387
1030317925697
1111948751344
125a614b3a81
132b221cb107
141678766a53
15bc69c9167
hex70f16d541

30317925697 has 2 divisors, whose sum is σ = 30317925698. Its totient is φ = 30317925696.

The previous prime is 30317925683. The next prime is 30317925713. The reversal of 30317925697 is 79652971303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22375373056 + 7942552641 = 149584^2 + 89121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30317925697 is a prime.

It is not a weakly prime, because it can be changed into another prime (30317925607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15158962848 + 15158962849.

It is an arithmetic number, because the mean of its divisors is an integer number (15158962849).

Almost surely, 230317925697 is an apocalyptic number.

It is an amenable number.

30317925697 is a deficient number, since it is larger than the sum of its proper divisors (1).

30317925697 is an equidigital number, since it uses as much as digits as its factorization.

30317925697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2143260, while the sum is 52.

The spelling of 30317925697 in words is "thirty billion, three hundred seventeen million, nine hundred twenty-five thousand, six hundred ninety-seven".