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12214242443 = 136179191657
BaseRepresentation
bin10110110000000011…
…01000110010001011
31011112020020210201202
423120001220302023
5200003321224233
65340001334415
7611452230164
oct133001506213
934466223652
1012214242443
1151a8692147
12244a63740b
1311c86676c0
1483c26a76b
154b748ebe8
hex2d8068c8b

12214242443 has 16 divisors (see below), whose sum is σ = 13197414720. Its totient is φ = 11237377536.

The previous prime is 12214242427. The next prime is 12214242449. The reversal of 12214242443 is 34424241221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12214242443 - 24 = 12214242427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12214242449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7370471 + ... + 7372127.

It is an arithmetic number, because the mean of its divisors is an integer number (824838420).

Almost surely, 212214242443 is an apocalyptic number.

12214242443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12214242443 is a deficient number, since it is larger than the sum of its proper divisors (983172277).

12214242443 is a wasteful number, since it uses less digits than its factorization.

12214242443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206.

The product of its digits is 12288, while the sum is 29.

Adding to 12214242443 its reverse (34424241221), we get a palindrome (46638483664).

The spelling of 12214242443 in words is "twelve billion, two hundred fourteen million, two hundred forty-two thousand, four hundred forty-three".

Divisors: 1 13 617 919 1657 8021 11947 21541 567023 1022369 1522783 7371299 13290797 19796179 939557111 12214242443