Base | Representation |
---|---|
bin | 1100110011001100… |
… | …00000000000000000 |
3 | 122201220120210011220 |
4 | 12121212000000000 |
5 | 103033142432231 |
6 | 3053515235040 |
7 | 332201462106 |
oct | 63146000000 |
9 | 18656523156 |
10 | 6871842816 |
11 | 2a06a81243 |
12 | 13b9448a80 |
13 | 8568b41a7 |
14 | 492919c76 |
15 | 2a3451896 |
hex | 199980000 |
6871842816 has 160 divisors (see below), whose sum is σ = 19478329200. Its totient is φ = 2147483648.
The previous prime is 6871842811. The next prime is 6871842829. The reversal of 6871842816 is 6182481786.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6871842811) by changing a digit.
In principle, a polygon with 6871842816 sides can be constructed with ruler and compass.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26738560 + ... + 26738816.
Almost surely, 26871842816 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6871842816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9739164600).
6871842816 is an abundant number, since it is smaller than the sum of its proper divisors (12606486384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6871842816 is an frugal number, since it uses more digits than its factorization.
6871842816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315 (or 279 counting only the distinct ones).
The product of its digits is 1032192, while the sum is 51.
The square root of 6871842816 is about 82896.5790367733. The cubic root of 6871842816 is about 1901.1851162219.
The spelling of 6871842816 in words is "six billion, eight hundred seventy-one million, eight hundred forty-two thousand, eight hundred sixteen".
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