Base | Representation |
---|---|
bin | 1111010011000… |
… | …01100010011100 |
3 | 22221110121212222 |
4 | 13221201202130 |
5 | 230322411123 |
6 | 20422244512 |
7 | 3115515443 |
oct | 751414234 |
9 | 287417788 |
10 | 128325788 |
11 | 66489078 |
12 | 36b86738 |
13 | 20780726 |
14 | 13085d5a |
15 | b3ec6c8 |
hex | 7a6189c |
128325788 has 6 divisors (see below), whose sum is σ = 224570136. Its totient is φ = 64162892.
The previous prime is 128325787. The next prime is 128325797. The reversal of 128325788 is 887523821.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128325787) 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 as a sum of consecutive naturals, namely, 16040720 + ... + 16040727.
It is an arithmetic number, because the mean of its divisors is an integer number (37428356).
Almost surely, 2128325788 is an apocalyptic number.
It is an amenable number.
128325788 is a deficient number, since it is larger than the sum of its proper divisors (96244348).
128325788 is a wasteful number, since it uses less digits than its factorization.
128325788 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32081451 (or 32081449 counting only the distinct ones).
The product of its digits is 215040, while the sum is 44.
The square root of 128325788 is about 11328.0972806557. The cubic root of 128325788 is about 504.3956276743.
The spelling of 128325788 in words is "one hundred twenty-eight million, three hundred twenty-five thousand, seven hundred eighty-eight".
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