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30968270860817 is a prime number
BaseRepresentation
bin1110000101010010111001…
…10010001011001000010001
311001122112112001010220120002
413002221130302023020101
513024341004320021232
6145510343252055345
76344245423042253
oct702513462131021
9131575461126502
1030968270860817
11995a62a618074
123581a37304555
1314383ac033204
14790c2d879cd3
1538a850c08b62
hex1c2a5cc8b211

30968270860817 has 2 divisors, whose sum is σ = 30968270860818. Its totient is φ = 30968270860816.

The previous prime is 30968270860783. The next prime is 30968270860819. The reversal of 30968270860817 is 71806807286903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21246789611776 + 9721481249041 = 4609424^2 + 3117929^2 .

It is a cyclic number.

It is not a de Polignac number, because 30968270860817 - 28 = 30968270860561 is a prime.

Together with 30968270860819, 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 (30968270860819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15484135430408 + 15484135430409.

It is an arithmetic number, because the mean of its divisors is an integer number (15484135430409).

Almost surely, 230968270860817 is an apocalyptic number.

It is an amenable number.

30968270860817 is a deficient number, since it is larger than the sum of its proper divisors (1).

30968270860817 is an equidigital number, since it uses as much as digits as its factorization.

30968270860817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48771072, while the sum is 65.

The spelling of 30968270860817 in words is "thirty trillion, nine hundred sixty-eight billion, two hundred seventy million, eight hundred sixty thousand, eight hundred seventeen".