Base | Representation |
---|---|
bin | 10110100100001001… |
… | …10110101010000101 |
3 | 1011021021102102101022 |
4 | 23102010312222011 |
5 | 144302243004110 |
6 | 5322034040525 |
7 | 606130614521 |
oct | 132204665205 |
9 | 34237372338 |
10 | 12114422405 |
11 | 5157303948 |
12 | 2421119145 |
13 | 11b0a87aa7 |
14 | 82ccc4d81 |
15 | 4ad823755 |
hex | 2d2136a85 |
12114422405 has 4 divisors (see below), whose sum is σ = 14537306892. Its totient is φ = 9691537920.
The previous prime is 12114422393. The next prime is 12114422423. The reversal of 12114422405 is 50422441121.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50422441121 = 13 ⋅3878649317.
It can be written as a sum of positive squares in 2 ways, for example, as 5290671169 + 6823751236 = 72737^2 + 82606^2 .
It is not a de Polignac number, because 12114422405 - 210 = 12114421381 is a prime.
It is a super-3 number, since 3×121144224053 (a number of 31 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211442236 + ... + 1211442245.
It is an arithmetic number, because the mean of its divisors is an integer number (3634326723).
Almost surely, 212114422405 is an apocalyptic number.
It is an amenable number.
12114422405 is a deficient number, since it is larger than the sum of its proper divisors (2422884487).
12114422405 is an equidigital number, since it uses as much as digits as its factorization.
12114422405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2422884486.
The product of its (nonzero) digits is 2560, while the sum is 26.
Adding to 12114422405 its reverse (50422441121), we get a palindrome (62536863526).
The spelling of 12114422405 in words is "twelve billion, one hundred fourteen million, four hundred twenty-two thousand, four hundred five".
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