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193474705717 is a prime number
BaseRepresentation
bin1011010000101111111…
…1011011100100110101
3200111101120210101112101
42310023333123210311
511132214011040332
6224514150222101
716656324602266
oct2641377334465
9614346711471
10193474705717
1175063478007
12315b6354931
13153244831b7
14951561496d
155075678ae7
hex2d0bfdb935

193474705717 has 2 divisors, whose sum is σ = 193474705718. Its totient is φ = 193474705716.

The previous prime is 193474705679. The next prime is 193474705741. The reversal of 193474705717 is 717507474391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179200669041 + 14274036676 = 423321^2 + 119474^2 .

It is a cyclic number.

It is not a de Polignac number, because 193474705717 - 219 = 193474181429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193474705777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96737352858 + 96737352859.

It is an arithmetic number, because the mean of its divisors is an integer number (96737352859).

Almost surely, 2193474705717 is an apocalyptic number.

It is an amenable number.

193474705717 is a deficient number, since it is larger than the sum of its proper divisors (1).

193474705717 is an equidigital number, since it uses as much as digits as its factorization.

193474705717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5186160, while the sum is 55.

The spelling of 193474705717 in words is "one hundred ninety-three billion, four hundred seventy-four million, seven hundred five thousand, seven hundred seventeen".