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14430839897 = 85316917749
BaseRepresentation
bin11010111000010010…
…10010010001011001
31101020201011121210202
431130021102101121
5214023243334042
610343542551545
71020416054345
oct153411222131
941221147722
1014430839897
116135918671
122968a385b5
13148c95a826
149ac7c8625
15596d89632
hex35c252459

14430839897 has 4 divisors (see below), whose sum is σ = 14447758500. Its totient is φ = 14413921296.

The previous prime is 14430839893. The next prime is 14430839911. The reversal of 14430839897 is 79893803441.

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 7190361616 + 7240478281 = 84796^2 + 85091^2 .

It is a cyclic number.

It is not a de Polignac number, because 14430839897 - 22 = 14430839893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14430839893) 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, 8458022 + ... + 8459727.

It is an arithmetic number, because the mean of its divisors is an integer number (3611939625).

Almost surely, 214430839897 is an apocalyptic number.

It is an amenable number.

14430839897 is a deficient number, since it is larger than the sum of its proper divisors (16918603).

14430839897 is an equidigital number, since it uses as much as digits as its factorization.

14430839897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16918602.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 14430839897 in words is "fourteen billion, four hundred thirty million, eight hundred thirty-nine thousand, eight hundred ninety-seven".

Divisors: 1 853 16917749 14430839897