Base | Representation |
---|---|
bin | 1111010000101… |
… | …11101001011100 |
3 | 22220220020201111 |
4 | 13220113221130 |
5 | 230233220012 |
6 | 20411551404 |
7 | 3113115166 |
oct | 750275134 |
9 | 286806644 |
10 | 128023132 |
11 | 662a1746 |
12 | 36a5b564 |
13 | 206a5a43 |
14 | 13007936 |
15 | b38cba7 |
hex | 7a17a5c |
128023132 has 6 divisors (see below), whose sum is σ = 224040488. Its totient is φ = 64011564.
The previous prime is 128023117. The next prime is 128023151. The reversal of 128023132 is 231320821.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16002888 + ... + 16002895.
Almost surely, 2128023132 is an apocalyptic number.
It is an amenable number.
128023132 is a deficient number, since it is larger than the sum of its proper divisors (96017356).
128023132 is a wasteful number, since it uses less digits than its factorization.
128023132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32005787 (or 32005785 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 128023132 is about 11314.7307524307. The cubic root of 128023132 is about 503.9987769770.
Adding to 128023132 its reverse (231320821), we get a palindrome (359343953).
The spelling of 128023132 in words is "one hundred twenty-eight million, twenty-three thousand, one hundred thirty-two".
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