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12242682242 = 272111772
BaseRepresentation
bin10110110011011100…
…01000000110000010
31011121012202200210122
423121232020012002
5200033111312432
65342455100242
7612246040100
oct133156100602
934535680718
1012242682242
11521274740a
122458071682
13120151449b
14841d50c70
154b9c0b612
hex2d9b88182

12242682242 has 18 divisors (see below), whose sum is σ = 21364142697. Its totient is φ = 5246394384.

The previous prime is 12242682241. The next prime is 12242682337. The reversal of 12242682242 is 24228624221.

It can be written as a sum of positive squares in 2 ways, for example, as 10170520801 + 2072161441 = 100849^2 + 45521^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=78239.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12242682241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1089758 + ... + 1100934.

Almost surely, 212242682242 is an apocalyptic number.

12242682242 is a deficient number, since it is larger than the sum of its proper divisors (9121460455).

12242682242 is an frugal number, since it uses more digits than its factorization.

12242682242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22370 (or 11186 counting only the distinct ones).

The product of its digits is 49152, while the sum is 35.

The spelling of 12242682242 in words is "twelve billion, two hundred forty-two million, six hundred eighty-two thousand, two hundred forty-two".

Divisors: 1 2 7 14 49 98 11177 22354 78239 156478 547673 1095346 124925329 249850658 874477303 1748954606 6121341121 12242682242