Search a number
-
+
14979207091 is a prime number
BaseRepresentation
bin11011111001101010…
…01000111110110011
31102122221000120011211
431330311020332303
5221134134111331
610514212220551
71040125105462
oct157465107663
942587016154
1014979207091
11639740aaa2
122aa060a757
131549448a64
14a215709d9
155ca0a88b1
hex37cd48fb3

14979207091 has 2 divisors, whose sum is σ = 14979207092. Its totient is φ = 14979207090.

The previous prime is 14979207071. The next prime is 14979207109. The reversal of 14979207091 is 19070297941.

Together with next prime (14979207109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (19070297941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14979207091 - 29 = 14979206579 is a prime.

It is not a weakly prime, because it can be changed into another prime (14979207071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7489603545 + 7489603546.

It is an arithmetic number, because the mean of its divisors is an integer number (7489603546).

Almost surely, 214979207091 is an apocalyptic number.

14979207091 is a deficient number, since it is larger than the sum of its proper divisors (1).

14979207091 is an equidigital number, since it uses as much as digits as its factorization.

14979207091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 49.

The spelling of 14979207091 in words is "fourteen billion, nine hundred seventy-nine million, two hundred seven thousand, ninety-one".