Base | Representation |
---|---|
bin | 1111010000110… |
… | …00111011001011 |
3 | 22220220111220020 |
4 | 13220120323023 |
5 | 230233401423 |
6 | 20412031523 |
7 | 3113136351 |
oct | 750307313 |
9 | 286814806 |
10 | 128028363 |
11 | 662a5671 |
12 | 36a625a3 |
13 | 206a8238 |
14 | 130097d1 |
15 | b38e4e3 |
hex | 7a18ecb |
128028363 has 8 divisors (see below), whose sum is σ = 174868176. Its totient is φ = 83270400.
The previous prime is 128028361. The next prime is 128028391. The reversal of 128028363 is 363820821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 128028363 - 21 = 128028361 is a prime.
It is not an unprimeable number, because it can be changed into a prime (128028361) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520318 + ... + 520563.
It is an arithmetic number, because the mean of its divisors is an integer number (21858522).
Almost surely, 2128028363 is an apocalyptic number.
128028363 is a deficient number, since it is larger than the sum of its proper divisors (46839813).
128028363 is a wasteful number, since it uses less digits than its factorization.
128028363 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1040925.
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 128028363 is about 11314.9619089063. The cubic root of 128028363 is about 504.0056413138.
The spelling of 128028363 in words is "one hundred twenty-eight million, twenty-eight thousand, three hundred sixty-three".
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