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12234430333 = 31394659043
BaseRepresentation
bin10110110010011101…
…01001011101111101
31011120122020110022101
423121032221131331
5200024003232313
65342002145101
7612115641046
oct133116513575
934518213271
1012234430333
115209020654
122455352191
1311cc8b54b8
14840c038cd
154b912b5dd
hex2d93a977d

12234430333 has 4 divisors (see below), whose sum is σ = 12629089408. Its totient is φ = 11839771260.

The previous prime is 12234430309. The next prime is 12234430343. The reversal of 12234430333 is 33303443221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33303443221 = 68281487741.

It is a cyclic number.

It is not a de Polignac number, because 12234430333 - 213 = 12234422141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12234430343) 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, 197329491 + ... + 197329552.

It is an arithmetic number, because the mean of its divisors is an integer number (3157272352).

Almost surely, 212234430333 is an apocalyptic number.

It is an amenable number.

12234430333 is a deficient number, since it is larger than the sum of its proper divisors (394659075).

12234430333 is an equidigital number, since it uses as much as digits as its factorization.

12234430333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394659074.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 12234430333 its reverse (33303443221), we get a palindrome (45537873554).

The spelling of 12234430333 in words is "twelve billion, two hundred thirty-four million, four hundred thirty thousand, three hundred thirty-three".

Divisors: 1 31 394659043 12234430333