Base | Representation |
---|---|
bin | 11010011011110001… |
… | …110010011011001000 |
3 | 2201021002020020121121 |
4 | 122123301302123020 |
5 | 431112112330343 |
6 | 21012241045024 |
7 | 2023236162205 |
oct | 323361623310 |
9 | 81232206547 |
10 | 28383323848 |
11 | 11045712340 |
12 | 5601626774 |
13 | 28a4470aa9 |
14 | 1533852cac |
15 | b11c33aed |
hex | 69bc726c8 |
28383323848 has 32 divisors (see below), whose sum is σ = 58297741920. Its totient is φ = 12847968000.
The previous prime is 28383323797. The next prime is 28383323861. The reversal of 28383323848 is 84832338382.
It is a super-2 number, since 2×283833238482 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 28383323795 and 28383323804.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647958 + ... + 690373.
It is an arithmetic number, because the mean of its divisors is an integer number (1821804435).
Almost surely, 228383323848 is an apocalyptic number.
It is an amenable number.
28383323848 is an abundant number, since it is smaller than the sum of its proper divisors (29914418072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28383323848 is a wasteful number, since it uses less digits than its factorization.
28383323848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1338589 (or 1338585 counting only the distinct ones).
The product of its digits is 5308416, while the sum is 52.
The spelling of 28383323848 in words is "twenty-eight billion, three hundred eighty-three million, three hundred twenty-three thousand, eight hundred forty-eight".
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