Search a number
-
+
14488019729 = 43649331921
BaseRepresentation
bin11010111111000110…
…11010001100010001
31101101200202122210022
431133203122030101
5214132413112404
610353344313225
71022012064401
oct153743321421
941350678708
1014488019729
116165122727
122984012815
13149b75ac51
149b6230801
1559bdd18be
hex35f8da311

14488019729 has 4 divisors (see below), whose sum is σ = 14488395300. Its totient is φ = 14487644160.

The previous prime is 14488019687. The next prime is 14488019743. The reversal of 14488019729 is 92791088441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11684529025 + 2803490704 = 108095^2 + 52948^2 .

It is a cyclic number.

It is not a de Polignac number, because 14488019729 - 216 = 14487954193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14488019779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122312 + ... + 209609.

It is an arithmetic number, because the mean of its divisors is an integer number (3622098825).

Almost surely, 214488019729 is an apocalyptic number.

It is an amenable number.

14488019729 is a deficient number, since it is larger than the sum of its proper divisors (375571).

14488019729 is an equidigital number, since it uses as much as digits as its factorization.

14488019729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375570.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 14488019729 in words is "fourteen billion, four hundred eighty-eight million, nineteen thousand, seven hundred twenty-nine".

Divisors: 1 43649 331921 14488019729