Search a number
-
+
116391619187 is a prime number
BaseRepresentation
bin110110001100101111…
…0110010101001110011
3102010102112100212120122
41230121132302221303
53401332223303222
6125245232200455
711260202303504
oct1543136625163
9363375325518
10116391619187
11453a8042218
121a68339912b
13ac8b7616ac
1458c2014bab
1530632daa42
hex1b197b2a73

116391619187 has 2 divisors, whose sum is σ = 116391619188. Its totient is φ = 116391619186.

The previous prime is 116391619159. The next prime is 116391619189. The reversal of 116391619187 is 781916193611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116391619187 - 210 = 116391618163 is a prime.

Together with 116391619189, 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 (116391619189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58195809593 + 58195809594.

It is an arithmetic number, because the mean of its divisors is an integer number (58195809594).

Almost surely, 2116391619187 is an apocalyptic number.

116391619187 is a deficient number, since it is larger than the sum of its proper divisors (1).

116391619187 is an equidigital number, since it uses as much as digits as its factorization.

116391619187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 53.

The spelling of 116391619187 in words is "one hundred sixteen billion, three hundred ninety-one million, six hundred nineteen thousand, one hundred eighty-seven".