Base | Representation |
---|---|
bin | 11101010010010100011111… |
… | …111100011101010101101100 |
3 | 121220001101021110022121002000 |
4 | 131102110133330131111230 |
5 | 113340244112401313002 |
6 | 1133534544152332300 |
7 | 36062442214215600 |
oct | 3522243774352554 |
9 | 556041243277060 |
10 | 128802310182252 |
11 | 38049831257273 |
12 | 125429010a4090 |
13 | 56b400c799135 |
14 | 23b40ca7d3500 |
15 | ed569c5e161c |
hex | 75251ff1d56c |
128802310182252 has 72 divisors (see below), whose sum is σ = 388451411676720. Its totient is φ = 36800660050560.
The previous prime is 128802310182167. The next prime is 128802310182257. The reversal of 128802310182252 is 252281013208821.
128802310182252 is a `hidden beast` number, since 1 + 2 + 8 + 8 + 0 + 2 + 310 + 1 + 82 + 252 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 128802310182198 and 128802310182207.
It is not an unprimeable number, because it can be changed into a prime (128802310182257) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12169525149 + ... + 12169535732.
It is an arithmetic number, because the mean of its divisors is an integer number (5395158495510).
Almost surely, 2128802310182252 is an apocalyptic number.
128802310182252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
128802310182252 is an abundant number, since it is smaller than the sum of its proper divisors (259649101494468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128802310182252 is a wasteful number, since it uses less digits than its factorization.
128802310182252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24339060908 (or 24339060893 counting only the distinct ones).
The product of its (nonzero) digits is 245760, while the sum is 45.
The spelling of 128802310182252 in words is "one hundred twenty-eight trillion, eight hundred two billion, three hundred ten million, one hundred eighty-two thousand, two hundred fifty-two".
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