Base | Representation |
---|---|
bin | 1111111010000001… |
… | …00001111101000000 |
3 | 211001011000211202100 |
4 | 13331000201331000 |
5 | 114442133221031 |
6 | 3531220150400 |
7 | 421423416021 |
oct | 77500417500 |
9 | 24034024670 |
10 | 8539742016 |
11 | 3692509633 |
12 | 17a3b38400 |
13 | a613014b0 |
14 | 5b0246c48 |
15 | 34eab3de6 |
hex | 1fd021f40 |
8539742016 has 168 divisors, whose sum is σ = 26409963944. Its totient is φ = 2622689280.
The previous prime is 8539741913. The next prime is 8539742023. The reversal of 8539742016 is 6102479358.
8539742016 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.
8539742016 is a nontrivial binomial coefficient, being equal to C(130689, 2).
It can be written as a sum of positive squares in 4 ways, for example, as 19713600 + 8520028416 = 4440^2 + 92304^2 .
8539742016 is strictly pandigital in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7644690 + ... + 7645806.
It is a 1-persistent number, because it is pandigital, but 2⋅8539742016 = 17079484032 is not.
Almost surely, 28539742016 is an apocalyptic number.
8539742016 is the 130688-th triangular number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8539742016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13204981972).
8539742016 is an abundant number, since it is smaller than the sum of its proper divisors (17870221928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8539742016 is a wasteful number, since it uses less digits than its factorization.
8539742016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2169 (or 2156 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 8539742016 is about 92410.7245724218. The cubic root of 8539742016 is about 2044.0032577438.
The spelling of 8539742016 in words is "eight billion, five hundred thirty-nine million, seven hundred forty-two thousand, sixteen".
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