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12233230297 = 14298560693
BaseRepresentation
bin10110110010010100…
…00100011111011001
31011120112222111011121
423121022010133121
5200023201332142
65341520325241
7612102512311
oct133112043731
934515874147
1012233230297
115208380a92
122454a73821
1311cc585212
148409b0441
154b8e90c67
hex2d92847d9

12233230297 has 4 divisors (see below), whose sum is σ = 12241792420. Its totient is φ = 12224668176.

The previous prime is 12233230291. The next prime is 12233230301. The reversal of 12233230297 is 79203233221.

12233230297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79203233221 = 711314747603.

It can be written as a sum of positive squares in 2 ways, for example, as 2663695321 + 9569534976 = 51611^2 + 97824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12233230297 is a prime.

It is a super-3 number, since 3×122332302973 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12233230291) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4278918 + ... + 4281775.

It is an arithmetic number, because the mean of its divisors is an integer number (3060448105).

Almost surely, 212233230297 is an apocalyptic number.

It is an amenable number.

12233230297 is a deficient number, since it is larger than the sum of its proper divisors (8562123).

12233230297 is an equidigital number, since it uses as much as digits as its factorization.

12233230297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8562122.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 12233230297 in words is "twelve billion, two hundred thirty-three million, two hundred thirty thousand, two hundred ninety-seven".

Divisors: 1 1429 8560693 12233230297