Base | Representation |
---|---|
bin | 111011111010110101… |
… | …1100111011100101010 |
3 | 110022010122102011101100 |
4 | 1313311223213130222 |
5 | 4102012012401044 |
6 | 135040215102230 |
7 | 12203465063022 |
oct | 1676553473452 |
9 | 408118364340 |
10 | 128675903274 |
11 | 4a631213716 |
12 | 20b31371976 |
13 | c198780849 |
14 | 63296b4a82 |
15 | 35319b3869 |
hex | 1df5ae772a |
128675903274 has 24 divisors (see below), whose sum is σ = 281930353380. Its totient is φ = 42410035008.
The previous prime is 128675903249. The next prime is 128675903351. The reversal of 128675903274 is 472309576821.
It is a happy number.
128675903274 is a `hidden beast` number, since 1 + 28 + 6 + 7 + 590 + 3 + 27 + 4 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 125539119225 + 3136784049 = 354315^2 + 56007^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 128675903274.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40159417 + ... + 40162620.
It is a 1-persistent number, because it is pandigital, but 2⋅128675903274 = 257351806548 is not.
Almost surely, 2128675903274 is an apocalyptic number.
128675903274 is an abundant number, since it is smaller than the sum of its proper divisors (153254450106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128675903274 is a wasteful number, since it uses less digits than its factorization.
128675903274 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80322134 (or 80322131 counting only the distinct ones).
The product of its (nonzero) digits is 5080320, while the sum is 54.
The spelling of 128675903274 in words is "one hundred twenty-eight billion, six hundred seventy-five million, nine hundred three thousand, two hundred seventy-four".
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