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12244430203 = 118871030069
BaseRepresentation
bin10110110011101001…
…10010110101111011
31011121100001111112221
423121310302311323
5200034033231303
65343000344511
7612266640145
oct133164626573
934540044487
1012244430203
115213730705
122458775137
1312019a6c95
14842287c95
154b9e544bd
hex2d9d32d7b

12244430203 has 4 divisors (see below), whose sum is σ = 12245472160. Its totient is φ = 12243388248.

The previous prime is 12244430197. The next prime is 12244430207. The reversal of 12244430203 is 30203444221.

It is a happy number.

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 12244430203 - 25 = 12244430171 is a prime.

It is a super-2 number, since 2×122444302032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12244430207) 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, 503148 + ... + 526921.

It is an arithmetic number, because the mean of its divisors is an integer number (3061368040).

Almost surely, 212244430203 is an apocalyptic number.

12244430203 is a deficient number, since it is larger than the sum of its proper divisors (1041957).

12244430203 is a wasteful number, since it uses less digits than its factorization.

12244430203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041956.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12244430203 its reverse (30203444221), we get a palindrome (42447874424).

The spelling of 12244430203 in words is "twelve billion, two hundred forty-four million, four hundred thirty thousand, two hundred three".

Divisors: 1 11887 1030069 12244430203