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17120272669 is a prime number
BaseRepresentation
bin11111111000111001…
…01010000100011101
31122012010210221222221
433330130222010131
5240030242211134
611510454505341
71144153626253
oct177434520435
948163727887
1017120272669
117295a47285
123399665251
1317cabb4476
14b85a6a5d3
156a30335b4
hex3fc72a11d

17120272669 has 2 divisors, whose sum is σ = 17120272670. Its totient is φ = 17120272668.

The previous prime is 17120272661. The next prime is 17120272759. The reversal of 17120272669 is 96627202171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16419347044 + 700925625 = 128138^2 + 26475^2 .

It is a cyclic number.

It is not a de Polignac number, because 17120272669 - 23 = 17120272661 is a prime.

It is a super-2 number, since 2×171202726692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17120272661) 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, 8560136334 + 8560136335.

It is an arithmetic number, because the mean of its divisors is an integer number (8560136335).

Almost surely, 217120272669 is an apocalyptic number.

It is an amenable number.

17120272669 is a deficient number, since it is larger than the sum of its proper divisors (1).

17120272669 is an equidigital number, since it uses as much as digits as its factorization.

17120272669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 17120272669 in words is "seventeen billion, one hundred twenty million, two hundred seventy-two thousand, six hundred sixty-nine".