Base | Representation |
---|---|
bin | 10111001001111110… |
… | …00011000010110011 |
3 | 1012002101101010200011 |
4 | 23210333003002303 |
5 | 200430001324004 |
6 | 5413325435351 |
7 | 620032300135 |
oct | 134477030263 |
9 | 35071333604 |
10 | 12431667379 |
11 | 52aa39677a |
12 | 24ab40bb57 |
13 | 1231713001 |
14 | 85d0a7055 |
15 | 4cb5dc004 |
hex | 2e4fc30b3 |
12431667379 has 2 divisors, whose sum is σ = 12431667380. Its totient is φ = 12431667378.
The previous prime is 12431667361. The next prime is 12431667403. The reversal of 12431667379 is 97376613421.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (97376613421) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12431667379 - 27 = 12431667251 is a prime.
It is not a weakly prime, because it can be changed into another prime (12431661379) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215833689 + 6215833690.
It is an arithmetic number, because the mean of its divisors is an integer number (6215833690).
Almost surely, 212431667379 is an apocalyptic number.
12431667379 is a deficient number, since it is larger than the sum of its proper divisors (1).
12431667379 is an equidigital number, since it uses as much as digits as its factorization.
12431667379 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1143072, while the sum is 49.
The spelling of 12431667379 in words is "twelve billion, four hundred thirty-one million, six hundred sixty-seven thousand, three hundred seventy-nine".
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