Base | Representation |
---|---|
bin | 11010010101001101… |
… | …111101001111011010 |
3 | 2200222102010210221000 |
4 | 122111031331033122 |
5 | 430400424031144 |
6 | 20553310125430 |
7 | 2020431544551 |
oct | 322515751732 |
9 | 80872123830 |
10 | 28273267674 |
11 | 10a99582523 |
12 | 55907b0876 |
13 | 2887718cb2 |
14 | 1522da4d98 |
15 | b07244769 |
hex | 69537d3da |
28273267674 has 32 divisors (see below), whose sum is σ = 62869464000. Its totient is φ = 9418425552.
The previous prime is 28273267667. The next prime is 28273267787. The reversal of 28273267674 is 47676237282.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 28273267674.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80529 + ... + 251060.
It is an arithmetic number, because the mean of its divisors is an integer number (1964670750).
Almost surely, 228273267674 is an apocalyptic number.
28273267674 is an abundant number, since it is smaller than the sum of its proper divisors (34596196326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28273267674 is a wasteful number, since it uses less digits than its factorization.
28273267674 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 333179 (or 333173 counting only the distinct ones).
The product of its digits is 9483264, while the sum is 54.
The spelling of 28273267674 in words is "twenty-eight billion, two hundred seventy-three million, two hundred sixty-seven thousand, six hundred seventy-four".
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