Base | Representation |
---|---|
bin | 1111010111000… |
… | …00010100011011 |
3 | 22222110000020010 |
4 | 13223200110123 |
5 | 230441020313 |
6 | 20441333003 |
7 | 3123110433 |
oct | 753402433 |
9 | 288400203 |
10 | 128845083 |
11 | 66803244 |
12 | 37197163 |
13 | 20902bc3 |
14 | 1317d2c3 |
15 | b4a14c3 |
hex | 7ae051b |
128845083 has 16 divisors (see below), whose sum is σ = 181665792. Its totient is φ = 81096000.
The previous prime is 128845081. The next prime is 128845097. The reversal of 128845083 is 380548821.
It is not a de Polignac number, because 128845083 - 21 = 128845081 is a prime.
It is not an unprimeable number, because it can be changed into a prime (128845081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13083 + ... + 20708.
It is an arithmetic number, because the mean of its divisors is an integer number (11354112).
Almost surely, 2128845083 is an apocalyptic number.
128845083 is a deficient number, since it is larger than the sum of its proper divisors (52820709).
128845083 is a wasteful number, since it uses less digits than its factorization.
128845083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33866.
The product of its (nonzero) digits is 61440, while the sum is 39.
The square root of 128845083 is about 11350.9948022189. The cubic root of 128845083 is about 505.0750899680.
The spelling of 128845083 in words is "one hundred twenty-eight million, eight hundred forty-five thousand, eighty-three".
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