Base | Representation |
---|---|
bin | 111011111111110110… |
… | …0111000101010011000 |
3 | 110022120100201202211120 |
4 | 1313333230320222120 |
5 | 4102333031224323 |
6 | 135105022125240 |
7 | 12210605666355 |
oct | 1677754705230 |
9 | 408510652746 |
10 | 128844008088 |
11 | 4a7080a1314 |
12 | 20b79720820 |
13 | c1c454b353 |
14 | 6343b5362c |
15 | 354161c5e3 |
hex | 1dffb38a98 |
128844008088 has 32 divisors (see below), whose sum is σ = 322725940800. Its totient is φ = 42865879968.
The previous prime is 128844008087. The next prime is 128844008119. The reversal of 128844008088 is 880800448821.
128844008088 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 128844008088.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128844008087) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5119858 + ... + 5144961.
It is an arithmetic number, because the mean of its divisors is an integer number (10085185650).
Almost surely, 2128844008088 is an apocalyptic number.
It is an amenable number.
128844008088 is an abundant number, since it is smaller than the sum of its proper divisors (193881932712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128844008088 is a wasteful number, since it uses less digits than its factorization.
128844008088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10265351 (or 10265347 counting only the distinct ones).
The product of its (nonzero) digits is 1048576, while the sum is 51.
The spelling of 128844008088 in words is "one hundred twenty-eight billion, eight hundred forty-four million, eight thousand, eighty-eight".
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