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12243144403 = 71931905759
BaseRepresentation
bin10110110011011111…
…11000111011010011
31011121020122011202201
423121233320323103
5200033221110103
65342513024031
7612253003360
oct133157707323
934536564681
1012243144403
115212a32666
122458255017
131201646959
14842031467
154b9c9d51d
hex2d9bf8ed3

12243144403 has 8 divisors (see below), whose sum is σ = 13999426560. Its totient is φ = 10488677640.

The previous prime is 12243144379. The next prime is 12243144479. The reversal of 12243144403 is 30444134221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12243144403 - 217 = 12243013331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12243144493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439363 + ... + 466396.

It is an arithmetic number, because the mean of its divisors is an integer number (1749928320).

Almost surely, 212243144403 is an apocalyptic number.

12243144403 is a deficient number, since it is larger than the sum of its proper divisors (1756282157).

12243144403 is an equidigital number, since it uses as much as digits as its factorization.

12243144403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907697.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12243144403 its reverse (30444134221), we get a palindrome (42687278624).

The spelling of 12243144403 in words is "twelve billion, two hundred forty-three million, one hundred forty-four thousand, four hundred three".

Divisors: 1 7 1931 13517 905759 6340313 1749020629 12243144403