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14431052321 = 72061578903
BaseRepresentation
bin11010111000010100…
…00110001000100001
31101020201120102012022
431130022012020201
5214023322133241
610343551311225
71020420630560
oct153412061041
941221512168
1014431052321
116135a53224
122968b1b515
13148ca0341a
149ac841bd7
15596dcc54b
hex35c286221

14431052321 has 4 divisors (see below), whose sum is σ = 16492631232. Its totient is φ = 12369473412.

The previous prime is 14431052299. The next prime is 14431052323. The reversal of 14431052321 is 12325013441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14431052321 - 26 = 14431052257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14431052323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030789445 + ... + 1030789458.

It is an arithmetic number, because the mean of its divisors is an integer number (4123157808).

Almost surely, 214431052321 is an apocalyptic number.

It is an amenable number.

14431052321 is a deficient number, since it is larger than the sum of its proper divisors (2061578911).

14431052321 is an equidigital number, since it uses as much as digits as its factorization.

14431052321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061578910.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 14431052321 its reverse (12325013441), we get a palindrome (26756065762).

The spelling of 14431052321 in words is "fourteen billion, four hundred thirty-one million, fifty-two thousand, three hundred twenty-one".

Divisors: 1 7 2061578903 14431052321