Search a number
-
+
12814804243 = 20816158003
BaseRepresentation
bin10111110111101001…
…00110010100010011
31020002002022111122101
423323310212110103
5202221042213433
65515333421231
7632364016213
oct137364462423
936062274571
1012814804243
11548669410a
12259779a817
131292bcbc07
14897d1c243
1550006e07d
hex2fbd26513

12814804243 has 4 divisors (see below), whose sum is σ = 12820964328. Its totient is φ = 12808644160.

The previous prime is 12814804231. The next prime is 12814804279. The reversal of 12814804243 is 34240841821.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12814804243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12814804283) 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 in 3 ways as a sum of consecutive naturals, for example, 3076921 + ... + 3081082.

It is an arithmetic number, because the mean of its divisors is an integer number (3205241082).

Almost surely, 212814804243 is an apocalyptic number.

12814804243 is a deficient number, since it is larger than the sum of its proper divisors (6160085).

12814804243 is an equidigital number, since it uses as much as digits as its factorization.

12814804243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6160084.

The product of its (nonzero) digits is 49152, while the sum is 37.

The spelling of 12814804243 in words is "twelve billion, eight hundred fourteen million, eight hundred four thousand, two hundred forty-three".

Divisors: 1 2081 6158003 12814804243