Base | Representation |
---|---|
bin | 10111001000010110… |
… | …11010111111010011 |
3 | 1012001102220120022211 |
4 | 23210023122333103 |
5 | 200413020241341 |
6 | 5412123412551 |
7 | 616506253135 |
oct | 134413327723 |
9 | 35042816284 |
10 | 12418133971 |
11 | 52a2792941 |
12 | 24a6984157 |
13 | 122b985089 |
14 | 85b383055 |
15 | 4ca317181 |
hex | 2e42dafd3 |
12418133971 has 2 divisors, whose sum is σ = 12418133972. Its totient is φ = 12418133970.
The previous prime is 12418133963. The next prime is 12418134013. The reversal of 12418133971 is 17933181421.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12418133971 - 23 = 12418133963 is a prime.
It is not a weakly prime, because it can be changed into another prime (12418136971) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209066985 + 6209066986.
It is an arithmetic number, because the mean of its divisors is an integer number (6209066986).
Almost surely, 212418133971 is an apocalyptic number.
12418133971 is a deficient number, since it is larger than the sum of its proper divisors (1).
12418133971 is an equidigital number, since it uses as much as digits as its factorization.
12418133971 is an evil number, because the sum of its binary digits is even.
The product of its digits is 36288, while the sum is 40.
The spelling of 12418133971 in words is "twelve billion, four hundred eighteen million, one hundred thirty-three thousand, nine hundred seventy-one".
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