Base | Representation |
---|---|
bin | 11000101110111000… |
… | …00010000111011110 |
3 | 1021021101010201101010 |
4 | 30113130002013132 |
5 | 204143200022213 |
6 | 10033324200050 |
7 | 650021133144 |
oct | 142734020736 |
9 | 37241121333 |
10 | 13278126558 |
11 | 56a417a014 |
12 | 26a6999026 |
13 | 1337bb1728 |
14 | 8dd687594 |
15 | 52aa8eac3 |
hex | 3177021de |
13278126558 has 8 divisors (see below), whose sum is σ = 26556253128. Its totient is φ = 4426042184.
The previous prime is 13278126523. The next prime is 13278126559. The reversal of 13278126558 is 85562187231.
13278126558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
13278126558 is an admirable number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13278126559) 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 3 ways as a sum of consecutive naturals, for example, 1106510541 + ... + 1106510552.
It is an arithmetic number, because the mean of its divisors is an integer number (3319531641).
Almost surely, 213278126558 is an apocalyptic number.
13278126558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13278126558 is a wasteful number, since it uses less digits than its factorization.
13278126558 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2213021098.
The product of its digits is 806400, while the sum is 48.
The spelling of 13278126558 in words is "thirteen billion, two hundred seventy-eight million, one hundred twenty-six thousand, five hundred fifty-eight".
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