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12404430232 = 231550553779
BaseRepresentation
bin10111000110101110…
…01001010110011000
31012000111010100022221
423203113021112120
5200401013231412
65410513553424
7616251626425
oct134327112630
935014110287
1012404430232
115295a83037
1224a2275874
131228b9775c
14859616d4c
154c900bb07
hex2e35c9598

12404430232 has 8 divisors (see below), whose sum is σ = 23258306700. Its totient is φ = 6202215112.

The previous prime is 12404430223. The next prime is 12404430253. The reversal of 12404430232 is 23203440421.

It is a happy number.

12404430232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12404430197 and 12404430206.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 775276882 + ... + 775276897.

Almost surely, 212404430232 is an apocalyptic number.

It is an amenable number.

12404430232 is a deficient number, since it is larger than the sum of its proper divisors (10853876468).

12404430232 is a wasteful number, since it uses less digits than its factorization.

12404430232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550553785 (or 1550553781 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12404430232 its reverse (23203440421), we get a palindrome (35607870653).

The spelling of 12404430232 in words is "twelve billion, four hundred four million, four hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 1550553779 3101107558 6202215116 12404430232