Base | Representation |
---|---|
bin | 1111010110110… |
… | …11111011010100 |
3 | 22222102002112210 |
4 | 13223123323110 |
5 | 230434431332 |
6 | 20441113420 |
7 | 3123004122 |
oct | 753337324 |
9 | 288362483 |
10 | 128827092 |
11 | 667a0779 |
12 | 37188870 |
13 | 208c7964 |
14 | 13176912 |
15 | b49aecc |
hex | 7adbed4 |
128827092 has 12 divisors (see below), whose sum is σ = 300596576. Its totient is φ = 42942360.
The previous prime is 128827079. The next prime is 128827093. The reversal of 128827092 is 290728821.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 128827092.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128827093) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5367784 + ... + 5367807.
Almost surely, 2128827092 is an apocalyptic number.
128827092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
128827092 is an abundant number, since it is smaller than the sum of its proper divisors (171769484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128827092 is a wasteful number, since it uses less digits than its factorization.
128827092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10735598 (or 10735596 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 39.
The square root of 128827092 is about 11350.2022889462. The cubic root of 128827092 is about 505.0515805236.
The spelling of 128827092 in words is "one hundred twenty-eight million, eight hundred twenty-seven thousand, ninety-two".
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