Base | Representation |
---|---|
bin | 1111010110111… |
… | …01100111011000 |
3 | 22222102110000221 |
4 | 13223131213120 |
5 | 230440142013 |
6 | 20441205424 |
7 | 3123033232 |
oct | 753354730 |
9 | 288373027 |
10 | 128834008 |
11 | 667a5996 |
12 | 37190874 |
13 | 208cab54 |
14 | 13179252 |
15 | b49d08d |
hex | 7add9d8 |
128834008 has 32 divisors (see below), whose sum is σ = 250614000. Its totient is φ = 62016640.
The previous prime is 128833961. The next prime is 128834009. The reversal of 128834008 is 800438821.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128834009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117543 + ... + 118633.
Almost surely, 2128834008 is an apocalyptic number.
It is an amenable number.
128834008 is a deficient number, since it is larger than the sum of its proper divisors (121779992).
128834008 is a wasteful number, since it uses less digits than its factorization.
128834008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1635 (or 1631 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 34.
The square root of 128834008 is about 11350.5069490310. The cubic root of 128834008 is about 505.0606181522.
The spelling of 128834008 in words is "one hundred twenty-eight million, eight hundred thirty-four thousand, eight".
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