Base | Representation |
---|---|
bin | 10101001101100100111… |
… | …11111111111111100100 |
3 | 2120200021101221212212210 |
4 | 22212302133333333210 |
5 | 43420133104043202 |
6 | 1314454300443420 |
7 | 103441303350504 |
oct | 12466237777744 |
9 | 2520241855783 |
10 | 728844206052 |
11 | 26111260a616 |
12 | b9308549570 |
13 | 539642479a1 |
14 | 273c2049a04 |
15 | 13e5b4c8c6c |
hex | a9b27fffe4 |
728844206052 has 96 divisors (see below), whose sum is σ = 1806094402560. Its totient is φ = 228264150400.
The previous prime is 728844206009. The next prime is 728844206093. The reversal of 728844206052 is 250602448827.
It is a junction number, because it is equal to n+sod(n) for n = 728844205992 and 728844206010.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21168283 + ... + 21202685.
It is an arithmetic number, because the mean of its divisors is an integer number (18813483360).
Almost surely, 2728844206052 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 728844206052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (903047201280).
728844206052 is an abundant number, since it is smaller than the sum of its proper divisors (1077250196508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
728844206052 is a wasteful number, since it uses less digits than its factorization.
728844206052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35793 (or 35791 counting only the distinct ones).
The product of its (nonzero) digits is 1720320, while the sum is 48.
The spelling of 728844206052 in words is "seven hundred twenty-eight billion, eight hundred forty-four million, two hundred six thousand, fifty-two".
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