Base | Representation |
---|---|
bin | 111011100111100010… |
… | …1001001001111010011 |
3 | 110020110111210200120002 |
4 | 1313033011021033103 |
5 | 4044200220040414 |
6 | 134452042240215 |
7 | 12151442312540 |
oct | 1671705111723 |
9 | 406414720502 |
10 | 128028283859 |
11 | 4a3296a0663 |
12 | 209904b606b |
13 | c0c45512a8 |
14 | 62a7693bc7 |
15 | 34e4bdb4de |
hex | 1dcf1493d3 |
128028283859 has 8 divisors (see below), whose sum is σ = 146335123200. Its totient is φ = 109725715656.
The previous prime is 128028283853. The next prime is 128028283897. The reversal of 128028283859 is 958382820821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 128028283859 - 24 = 128028283843 is a prime.
It is not an unprimeable number, because it can be changed into a prime (128028283853) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003289 + ... + 1123674.
It is an arithmetic number, because the mean of its divisors is an integer number (18291890400).
Almost surely, 2128028283859 is an apocalyptic number.
128028283859 is a deficient number, since it is larger than the sum of its proper divisors (18306839341).
128028283859 is an equidigital number, since it uses as much as digits as its factorization.
128028283859 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2135569.
The product of its (nonzero) digits is 4423680, while the sum is 56.
The spelling of 128028283859 in words is "one hundred twenty-eight billion, twenty-eight million, two hundred eighty-three thousand, eight hundred fifty-nine".
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