Base | Representation |
---|---|
bin | 1111010001110… |
… | …11000101011010 |
3 | 22221011121211102 |
4 | 13220323011122 |
5 | 230302341112 |
6 | 20415031402 |
7 | 3114261314 |
oct | 750730532 |
9 | 287147742 |
10 | 128168282 |
11 | 66390800 |
12 | 36b0b562 |
13 | 20726b28 |
14 | 130447b4 |
15 | b3babc2 |
hex | 7a3b15a |
128168282 has 24 divisors (see below), whose sum is σ = 220516128. Its totient is φ = 55722920.
The previous prime is 128168279. The next prime is 128168297. The reversal of 128168282 is 282861821.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5948 + ... + 17079.
It is an arithmetic number, because the mean of its divisors is an integer number (9188172).
Almost surely, 2128168282 is an apocalyptic number.
128168282 is a deficient number, since it is larger than the sum of its proper divisors (92347846).
128168282 is a wasteful number, since it uses less digits than its factorization.
128168282 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23074 (or 23063 counting only the distinct ones).
The product of its digits is 24576, while the sum is 38.
The square root of 128168282 is about 11321.1431401604. The cubic root of 128168282 is about 504.1891795273.
The spelling of 128168282 in words is "one hundred twenty-eight million, one hundred sixty-eight thousand, two hundred eighty-two".
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