Search a number
-
+
16163144779 is a prime number
BaseRepresentation
bin11110000110110011…
…00000010001001011
31112201102210211100211
433003121200101023
5231100231113104
611231504141551
71111352315035
oct170331402113
945642724324
1016163144779
1169447459a1
1231710078b7
1316a78081c2
14ad48bcc55
15648ebee04
hex3c366044b

16163144779 has 2 divisors, whose sum is σ = 16163144780. Its totient is φ = 16163144778.

The previous prime is 16163144761. The next prime is 16163144797. The reversal of 16163144779 is 97744136161.

Together with next prime (16163144797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (16163144761) and next prime (16163144797).

It is a cyclic number.

It is not a de Polignac number, because 16163144779 - 25 = 16163144747 is a prime.

It is a super-3 number, since 3×161631447793 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (16163144579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8081572389 + 8081572390.

It is an arithmetic number, because the mean of its divisors is an integer number (8081572390).

Almost surely, 216163144779 is an apocalyptic number.

16163144779 is a deficient number, since it is larger than the sum of its proper divisors (1).

16163144779 is an equidigital number, since it uses as much as digits as its factorization.

16163144779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 49.

The spelling of 16163144779 in words is "sixteen billion, one hundred sixty-three million, one hundred forty-four thousand, seven hundred seventy-nine".