Base | Representation |
---|---|
bin | 1111001000111111… |
… | …00011010001001100 |
3 | 202222111002201012210 |
4 | 13210133203101030 |
5 | 113121340142333 |
6 | 3422324430420 |
7 | 405300425625 |
oct | 74437432114 |
9 | 22874081183 |
10 | 8128443468 |
11 | 34a1326982 |
12 | 16aa248410 |
13 | 9c7035282 |
14 | 571780a4c |
15 | 32891ca63 |
hex | 1e47e344c |
8128443468 has 24 divisors (see below), whose sum is σ = 18972168768. Its totient is φ = 2708652496.
The previous prime is 8128443419. The next prime is 8128443469. The reversal of 8128443468 is 8643448218.
It is not an unprimeable number, because it can be changed into a prime (8128443469) 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 7 ways as a sum of consecutive naturals, for example, 62046 + ... + 141797.
It is an arithmetic number, because the mean of its divisors is an integer number (790507032).
Almost surely, 28128443468 is an apocalyptic number.
It is an amenable number.
8128443468 is an abundant number, since it is smaller than the sum of its proper divisors (10843725300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8128443468 is a wasteful number, since it uses less digits than its factorization.
8128443468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 207173 (or 207171 counting only the distinct ones).
The product of its digits is 1179648, while the sum is 48.
The square root of 8128443468 is about 90157.8807869839. The cubic root of 8128443468 is about 2010.6468441155.
The spelling of 8128443468 in words is "eight billion, one hundred twenty-eight million, four hundred forty-three thousand, four hundred sixty-eight".
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