Search a number
-
+
162118399 is a prime number
BaseRepresentation
bin10011010100110…
…11101011111111
3102022001110122011
421222123223333
5313000242044
624030432051
74005661252
oct1152335377
9368043564
10162118399
1183569a53
1246362627
1327782a61
1417761099
15e375134
hex9a9baff

162118399 has 2 divisors, whose sum is σ = 162118400. Its totient is φ = 162118398.

The previous prime is 162118337. The next prime is 162118417. The reversal of 162118399 is 993811261.

It is a strong prime.

It is an emirp because it is prime and its reverse (993811261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162118399 - 29 = 162117887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162118309) 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, 81059199 + 81059200.

It is an arithmetic number, because the mean of its divisors is an integer number (81059200).

Almost surely, 2162118399 is an apocalyptic number.

162118399 is a deficient number, since it is larger than the sum of its proper divisors (1).

162118399 is an equidigital number, since it uses as much as digits as its factorization.

162118399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 40.

The square root of 162118399 is about 12732.5723638234. The cubic root of 162118399 is about 545.2689512254.

The spelling of 162118399 in words is "one hundred sixty-two million, one hundred eighteen thousand, three hundred ninety-nine".