Base | Representation |
---|---|
bin | 1111010111000… |
… | …00010100111000 |
3 | 22222110000021012 |
4 | 13223200110320 |
5 | 230441020422 |
6 | 20441333052 |
7 | 3123110504 |
oct | 753402470 |
9 | 288400235 |
10 | 128845112 |
11 | 66803270 |
12 | 37197188 |
13 | 20902c16 |
14 | 1317d304 |
15 | b4a14e2 |
hex | 7ae0538 |
128845112 has 16 divisors (see below), whose sum is σ = 263547000. Its totient is φ = 58565920.
The previous prime is 128845111. The next prime is 128845117. The reversal of 128845112 is 211548821.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128845111) 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, 731987 + ... + 732162.
Almost surely, 2128845112 is an apocalyptic number.
It is an amenable number.
128845112 is an abundant number, since it is smaller than the sum of its proper divisors (134701888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128845112 is a wasteful number, since it uses less digits than its factorization.
128845112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1464166 (or 1464162 counting only the distinct ones).
The product of its digits is 5120, while the sum is 32.
The square root of 128845112 is about 11350.9960796399. The cubic root of 128845112 is about 505.0751278615.
The spelling of 128845112 in words is "one hundred twenty-eight million, eight hundred forty-five thousand, one hundred twelve".
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