Base | Representation |
---|---|
bin | 1111010011110… |
… | …11110000111010 |
3 | 22221200002020120 |
4 | 13221323300322 |
5 | 230334330320 |
6 | 20424434110 |
7 | 3116443563 |
oct | 751736072 |
9 | 287602216 |
10 | 128433210 |
11 | 66551854 |
12 | 37018936 |
13 | 207ba5a9 |
14 | 130b316a |
15 | b41e440 |
hex | 7a7bc3a |
128433210 has 16 divisors (see below), whose sum is σ = 308239776. Its totient is φ = 34248848.
The previous prime is 128433203. The next prime is 128433211. The reversal of 128433210 is 12334821.
It is not an unprimeable number, because it can be changed into a prime (128433211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140524 + ... + 2140583.
It is an arithmetic number, because the mean of its divisors is an integer number (19264986).
Almost surely, 2128433210 is an apocalyptic number.
128433210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
128433210 is an abundant number, since it is smaller than the sum of its proper divisors (179806566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128433210 is a wasteful number, since it uses less digits than its factorization.
128433210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4281117.
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 128433210 is about 11332.8376852402. The cubic root of 128433210 is about 504.5363322461.
The spelling of 128433210 in words is "one hundred twenty-eight million, four hundred thirty-three thousand, two hundred ten".
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