Base | Representation |
---|---|
bin | 1111010010110… |
… | …01100000010011 |
3 | 22221101221202021 |
4 | 13221121200103 |
5 | 230320333013 |
6 | 20421432311 |
7 | 3115320505 |
oct | 751314023 |
9 | 287357667 |
10 | 128292883 |
11 | 66466384 |
12 | 36b6b697 |
13 | 2076b764 |
14 | 13077d75 |
15 | b3e2a8d |
hex | 7a59813 |
128292883 has 4 divisors (see below), whose sum is σ = 135045160. Its totient is φ = 121540608.
The previous prime is 128292859. The next prime is 128292887. The reversal of 128292883 is 388292821.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 128292883 - 217 = 128161811 is a prime.
It is not an unprimeable number, because it can be changed into a prime (128292887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3376110 + ... + 3376147.
It is an arithmetic number, because the mean of its divisors is an integer number (33761290).
Almost surely, 2128292883 is an apocalyptic number.
128292883 is a deficient number, since it is larger than the sum of its proper divisors (6752277).
128292883 is an equidigital number, since it uses as much as digits as its factorization.
128292883 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6752276.
The product of its digits is 110592, while the sum is 43.
The square root of 128292883 is about 11326.6448253664. The cubic root of 128292883 is about 504.3525120044.
The spelling of 128292883 in words is "one hundred twenty-eight million, two hundred ninety-two thousand, eight hundred eighty-three".
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