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14527895905 = 52905579181

14527895905 has 4 divisors (see below), whose sum is σ = 17433475092. Its totient is φ = 11622316720.

The previous prime is 14527895897. The next prime is 14527895909. The reversal of 14527895905 is 50959872541.

14527895905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50959872541 = 67037602547.

It can be written as a sum of positive squares in 2 ways, for example, as 2720248336 + 11807647569 = 52156^2 + 108663^2 .

It is not a de Polignac number, because 14527895905 - 23 = 14527895897 is a prime.

It is a super-2 number, since 2×145278959052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14527895909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1452789586 + ... + 1452789595.

It is an arithmetic number, because the mean of its divisors is an integer number (4358368773).

Almost surely, 214527895905 is an apocalyptic number.

It is an amenable number.

14527895905 is a deficient number, since it is larger than the sum of its proper divisors (2905579187).

14527895905 is an equidigital number, since it uses as much as digits as its factorization.

14527895905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905579186.

The product of its (nonzero) digits is 4536000, while the sum is 55.

The spelling of 14527895905 in words is "fourteen billion, five hundred twenty-seven million, eight hundred ninety-five thousand, nine hundred five".

Divisors: 1 5 2905579181 14527895905