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196604792717 is a prime number
BaseRepresentation
bin1011011100011010001…
…1110000111110001101
3200210110201121021200112
42313012203300332031
511210121311331332
6230152523005405
720130023110334
oct2670643607615
9623421537615
10196604792717
117641a309773
123212a669865
1315702ab3998
149731200d1b
1551aa366db2
hex2dc68f0f8d

196604792717 has 2 divisors, whose sum is σ = 196604792718. Its totient is φ = 196604792716.

The previous prime is 196604792689. The next prime is 196604792771. The reversal of 196604792717 is 717297406691.

Together with next prime (196604792771) 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., 175153968196 + 21450824521 = 418514^2 + 146461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-196604792717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196604792117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98302396358 + 98302396359.

It is an arithmetic number, because the mean of its divisors is an integer number (98302396359).

Almost surely, 2196604792717 is an apocalyptic number.

It is an amenable number.

196604792717 is a deficient number, since it is larger than the sum of its proper divisors (1).

196604792717 is an equidigital number, since it uses as much as digits as its factorization.

196604792717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8001504, while the sum is 59.

The spelling of 196604792717 in words is "one hundred ninety-six billion, six hundred four million, seven hundred ninety-two thousand, seven hundred seventeen".