Base | Representation |
---|---|
bin | 10111001000110000… |
… | …00010011011011010 |
3 | 1012001200010121001100 |
4 | 23210120002123122 |
5 | 200414342104432 |
6 | 5412322332230 |
7 | 616546336260 |
oct | 134430023332 |
9 | 35050117040 |
10 | 12421441242 |
11 | 52a4641721 |
12 | 24a7aba076 |
13 | 122c572542 |
14 | 85b9a4430 |
15 | 4ca76c07c |
hex | 2e46026da |
12421441242 has 24 divisors (see below), whose sum is σ = 30757854816. Its totient is φ = 3548983176.
The previous prime is 12421441237. The next prime is 12421441247. The reversal of 12421441242 is 24214412421.
12421441242 is a `hidden beast` number, since 1 + 242 + 1 + 4 + 412 + 4 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (12421441237) and next prime (12421441247).
It is a super-3 number, since 3×124214412423 (a number of 31 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (12421441247) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49291308 + ... + 49291559.
It is an arithmetic number, because the mean of its divisors is an integer number (1281577284).
Almost surely, 212421441242 is an apocalyptic number.
12421441242 is an abundant number, since it is smaller than the sum of its proper divisors (18336413574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12421441242 is a wasteful number, since it uses less digits than its factorization.
12421441242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98582882 (or 98582879 counting only the distinct ones).
The product of its digits is 4096, while the sum is 27.
Adding to 12421441242 its reverse (24214412421), we get a palindrome (36635853663).
The spelling of 12421441242 in words is "twelve billion, four hundred twenty-one million, four hundred forty-one thousand, two hundred forty-two".
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