Base | Representation |
---|---|
bin | 11010011011101110… |
… | …000100101101001110 |
3 | 2201021000101202222000 |
4 | 122123232010231032 |
5 | 431111340201113 |
6 | 21012204133130 |
7 | 2023224665361 |
oct | 323356045516 |
9 | 81230352860 |
10 | 28382350158 |
11 | 11045107838 |
12 | 56012371a6 |
13 | 28a41bc846 |
14 | 153367c0d8 |
15 | b11ae0373 |
hex | 69bb84b4e |
28382350158 has 64 divisors (see below), whose sum is σ = 63893491200. Its totient is φ = 9337766400.
The previous prime is 28382350147. The next prime is 28382350193. The reversal of 28382350158 is 85105328382.
28382350158 is a `hidden beast` number, since 283 + 8 + 2 + 350 + 15 + 8 = 666.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5909358 + ... + 5914158.
It is an arithmetic number, because the mean of its divisors is an integer number (998335800).
Almost surely, 228382350158 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28382350158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31946745600).
28382350158 is an abundant number, since it is smaller than the sum of its proper divisors (35511141042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28382350158 is a wasteful number, since it uses less digits than its factorization.
28382350158 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6214 (or 6208 counting only the distinct ones).
The product of its (nonzero) digits is 460800, while the sum is 45.
The spelling of 28382350158 in words is "twenty-eight billion, three hundred eighty-two million, three hundred fifty thousand, one hundred fifty-eight".
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