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12004230443 = 61196790663
BaseRepresentation
bin10110010111000001…
…00000010100101011
31010222121002002102112
423023200200110223
5144041040333233
65303100152535
7603322163252
oct131340402453
933877062375
1012004230443
115100091007
1223b023874b
131193cb624a
1481c3dd799
154a3d09048
hex2cb82052b

12004230443 has 4 divisors (see below), whose sum is σ = 12201021168. Its totient is φ = 11807439720.

The previous prime is 12004230437. The next prime is 12004230461. The reversal of 12004230443 is 34403240021.

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

It is a cyclic number.

It is not a de Polignac number, because 12004230443 - 28 = 12004230187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12004230143) 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, 98395271 + ... + 98395392.

It is an arithmetic number, because the mean of its divisors is an integer number (3050255292).

Almost surely, 212004230443 is an apocalyptic number.

12004230443 is a deficient number, since it is larger than the sum of its proper divisors (196790725).

12004230443 is an equidigital number, since it uses as much as digits as its factorization.

12004230443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196790724.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12004230443 its reverse (34403240021), we get a palindrome (46407470464).

The spelling of 12004230443 in words is "twelve billion, four million, two hundred thirty thousand, four hundred forty-three".

Divisors: 1 61 196790663 12004230443