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12243144214 = 27323775963
BaseRepresentation
bin10110110011011111…
…11000111000010110
31011121020122011111201
423121233320320112
5200033221103324
65342513023114
7612253003000
oct133157707026
934536564451
1012243144214
115212a32504
122458254a9a
131201646842
14842031370
154b9c9d444
hex2d9bf8e16

12243144214 has 32 divisors (see below), whose sum is σ = 22347763200. Its totient is φ = 5018922216.

The previous prime is 12243144203. The next prime is 12243144227. The reversal of 12243144214 is 41244134221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372204 + ... + 403759.

It is an arithmetic number, because the mean of its divisors is an integer number (698367600).

Almost surely, 212243144214 is an apocalyptic number.

12243144214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12243144214 is a deficient number, since it is larger than the sum of its proper divisors (10104618986).

12243144214 is an equidigital number, since it uses as much as digits as its factorization.

12243144214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776009 (or 775995 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 12243144214 its reverse (41244134221), we get a palindrome (53487278435).

It can be divided in two parts, 1224314 and 4214, that added together give a triangular number (1228528 = T1567).

The spelling of 12243144214 in words is "twelve billion, two hundred forty-three million, one hundred forty-four thousand, two hundred fourteen".

Divisors: 1 2 7 14 23 46 49 98 161 322 343 686 1127 2254 7889 15778 775963 1551926 5431741 10863482 17847149 35694298 38022187 76044374 124930043 249860086 266155309 532310618 874510301 1749020602 6121572107 12243144214