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17428902173 is a prime number
BaseRepresentation
bin10000001110110101…
…111111000100011101
31122222122112222002022
4100032311333010131
5241143244332143
612001241505525
71154622136604
oct201665770435
948878488068
1017428902173
117434185191
123464aa22a5
131849b14087
14bb4a48a3b
156c0199268
hex40ed7f11d

17428902173 has 2 divisors, whose sum is σ = 17428902174. Its totient is φ = 17428902172.

The previous prime is 17428902157. The next prime is 17428902193. The reversal of 17428902173 is 37120982471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17262543769 + 166358404 = 131387^2 + 12898^2 .

It is a cyclic number.

It is not a de Polignac number, because 17428902173 - 24 = 17428902157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17428902193) 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, 8714451086 + 8714451087.

It is an arithmetic number, because the mean of its divisors is an integer number (8714451087).

Almost surely, 217428902173 is an apocalyptic number.

It is an amenable number.

17428902173 is a deficient number, since it is larger than the sum of its proper divisors (1).

17428902173 is an equidigital number, since it uses as much as digits as its factorization.

17428902173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 17428902173 in words is "seventeen billion, four hundred twenty-eight million, nine hundred two thousand, one hundred seventy-three".