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BaseRepresentation
bin100101011011011
3222021202
410223123
51103123
6224415
7106604
oct45333
928252
1019163
1113441
12b10b
138951
146dab
155a28

19163 has 2 divisors, whose sum is σ = 19164. Its totient is φ = 19162.

The previous prime is 19157. The next prime is 19181. The reversal of 19163 is 36191.

It is a weak prime.

It is an emirp because it is prime and its reverse (36191) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-19163 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 19163.

It is not a weakly prime, because it can be changed into another prime (19183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9581 + 9582.

It is an arithmetic number, because the mean of its divisors is an integer number (9582).

219163 is an apocalyptic number.

19163 is a deficient number, since it is larger than the sum of its proper divisors (1).

19163 is an equidigital number, since it uses as much as digits as its factorization.

19163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 20.

The square root of 19163 is about 138.4304879714. The cubic root of 19163 is about 26.7601062346.

The spelling of 19163 in words is "nineteen thousand, one hundred sixty-three".