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12242042424 = 2332929183023
BaseRepresentation
bin10110110011010111…
…01011111000111000
31011121011120012010200
423121223223320320
5200032430324144
65342433242200
7612240433533
oct133153537070
934534505120
1012242042424
11521234a737
122457a03360
13120134c1b1
14841c25a1a
154b9b31c69
hex2d9aebe38

12242042424 has 48 divisors (see below), whose sum is σ = 33191402400. Its totient is φ = 4076265984.

The previous prime is 12242042419. The next prime is 12242042447. The reversal of 12242042424 is 42424024221.

12242042424 is a `hidden beast` number, since 12 + 24 + 204 + 2 + 424 = 666.

It is a super-2 number, since 2×122420424242 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24624 + ... + 158399.

It is an arithmetic number, because the mean of its divisors is an integer number (691487550).

Almost surely, 212242042424 is an apocalyptic number.

It is an amenable number.

12242042424 is an abundant number, since it is smaller than the sum of its proper divisors (20949359976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12242042424 is a wasteful number, since it uses less digits than its factorization.

12242042424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183964 (or 183957 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 12242042424 its reverse (42424024221), we get a palindrome (54666066645).

The spelling of 12242042424 in words is "twelve billion, two hundred forty-two million, forty-two thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 929 1858 2787 3716 5574 7432 8361 11148 16722 22296 33444 66888 183023 366046 549069 732092 1098138 1464184 1647207 2196276 3294414 4392552 6588828 13177656 170028367 340056734 510085101 680113468 1020170202 1360226936 1530255303 2040340404 3060510606 4080680808 6121021212 12242042424