Search a number
-
+
16131687179 is a prime number
BaseRepresentation
bin11110000011000011…
…00000001100001011
31112122020121121122112
433001201200030023
5231014202442204
611224422012535
71110521035646
oct170141401413
945566547575
1016131687179
116928a0a383
12316257714b
1316a114293a
14ad0650a5d
1564635926e
hex3c186030b

16131687179 has 2 divisors, whose sum is σ = 16131687180. Its totient is φ = 16131687178.

The previous prime is 16131687167. The next prime is 16131687181. The reversal of 16131687179 is 97178613161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16131687179 - 212 = 16131683083 is a prime.

It is a super-2 number, since 2×161316871792 (a number of 21 digits) contains 22 as substring.

Together with 16131687181, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16131687199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8065843589 + 8065843590.

It is an arithmetic number, because the mean of its divisors is an integer number (8065843590).

Almost surely, 216131687179 is an apocalyptic number.

16131687179 is a deficient number, since it is larger than the sum of its proper divisors (1).

16131687179 is an equidigital number, since it uses as much as digits as its factorization.

16131687179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 50.

The spelling of 16131687179 in words is "sixteen billion, one hundred thirty-one million, six hundred eighty-seven thousand, one hundred seventy-nine".