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12243242303 = 18583658841
BaseRepresentation
bin10110110011100000…
…10000110100111111
31011121020211011001122
423121300100310333
5200033232223203
65342515101155
7612253561655
oct133160206477
934536734048
1012243242303
115212a9a176
1224582a17bb
13120167c396
14842058dd5
154b9cbc538
hex2d9c10d3f

12243242303 has 4 divisors (see below), whose sum is σ = 12243919728. Its totient is φ = 12242564880.

The previous prime is 12243242281. The next prime is 12243242311. The reversal of 12243242303 is 30324234221.

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 12243242303 - 28 = 12243242047 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 (12243242203) 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, 310838 + ... + 348003.

It is an arithmetic number, because the mean of its divisors is an integer number (3060979932).

Almost surely, 212243242303 is an apocalyptic number.

12243242303 is a deficient number, since it is larger than the sum of its proper divisors (677425).

12243242303 is an equidigital number, since it uses as much as digits as its factorization.

12243242303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677424.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 12243242303 its reverse (30324234221), we get a palindrome (42567476524).

The spelling of 12243242303 in words is "twelve billion, two hundred forty-three million, two hundred forty-two thousand, three hundred three".

Divisors: 1 18583 658841 12243242303