Search a number
-
+
14487817697 is a prime number
BaseRepresentation
bin11010111111000101…
…01000110111100001
31101101200101101122122
431133202220313201
5214132340131242
610353340114025
71022010263363
oct153742506741
941350341578
1014487817697
116164aa4961
122983b35915
13149b6b9cc2
149b61bad33
1559bd91ad2
hex35f8a8de1

14487817697 has 2 divisors, whose sum is σ = 14487817698. Its totient is φ = 14487817696.

The previous prime is 14487817681. The next prime is 14487817733. The reversal of 14487817697 is 79671878441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13468995136 + 1018822561 = 116056^2 + 31919^2 .

It is a cyclic number.

It is not a de Polignac number, because 14487817697 - 24 = 14487817681 is a prime.

It is not a weakly prime, because it can be changed into another prime (14487817637) 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, 7243908848 + 7243908849.

It is an arithmetic number, because the mean of its divisors is an integer number (7243908849).

Almost surely, 214487817697 is an apocalyptic number.

It is an amenable number.

14487817697 is a deficient number, since it is larger than the sum of its proper divisors (1).

14487817697 is an equidigital number, since it uses as much as digits as its factorization.

14487817697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18966528, while the sum is 62.

The spelling of 14487817697 in words is "fourteen billion, four hundred eighty-seven million, eight hundred seventeen thousand, six hundred ninety-seven".