Base | Representation |
---|---|
bin | 10111110100111001… |
… | …00010010010100011 |
3 | 1020000110212122202011 |
4 | 23322130202102203 |
5 | 202144140002300 |
6 | 5513150533351 |
7 | 631663550422 |
oct | 137234422243 |
9 | 36013778664 |
10 | 12791719075 |
11 | 5474656963 |
12 | 258bb07257 |
13 | 128b1a8455 |
14 | 894c2d2b9 |
15 | 4ed00deba |
hex | 2fa7224a3 |
12791719075 has 6 divisors (see below), whose sum is σ = 15861731684. Its totient is φ = 10233375240.
The previous prime is 12791719063. The next prime is 12791719079. The reversal of 12791719075 is 57091719721.
12791719075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12791719075 - 223 = 12783330467 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12791719079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255834357 + ... + 255834406.
Almost surely, 212791719075 is an apocalyptic number.
12791719075 is a deficient number, since it is larger than the sum of its proper divisors (3070012609).
12791719075 is an equidigital number, since it uses as much as digits as its factorization.
12791719075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 511668773 (or 511668768 counting only the distinct ones).
The product of its (nonzero) digits is 277830, while the sum is 49.
The spelling of 12791719075 in words is "twelve billion, seven hundred ninety-one million, seven hundred nineteen thousand, seventy-five".
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