Base | Representation |
---|---|
bin | 10110110011010111… |
… | …01011111000111000 |
3 | 1011121011120012010200 |
4 | 23121223223320320 |
5 | 200032430324144 |
6 | 5342433242200 |
7 | 612240433533 |
oct | 133153537070 |
9 | 34534505120 |
10 | 12242042424 |
11 | 521234a737 |
12 | 2457a03360 |
13 | 120134c1b1 |
14 | 841c25a1a |
15 | 4b9b31c69 |
hex | 2d9aebe38 |
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".
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