Base | Representation |
---|---|
bin | 1000011010010100011… |
… | …00110100000101011000 |
3 | 1000121222102221102001210 |
4 | 10031022030310011120 |
5 | 14213341431310010 |
6 | 340433541343120 |
7 | 26610610522551 |
oct | 4151214640530 |
9 | 1017872842053 |
10 | 289007681880 |
11 | 101627335a75 |
12 | 48018107aa0 |
13 | 2133a693968 |
14 | ddb92b1328 |
15 | 77b763ab20 |
hex | 434a334158 |
289007681880 has 32 divisors (see below), whose sum is σ = 867023046000. Its totient is φ = 77068715136.
The previous prime is 289007681867. The next prime is 289007681917. The reversal of 289007681880 is 88186700982.
It is a self number, because there is not a number n which added to its sum of digits gives 289007681880.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204198555 + ... + 1204198794.
Almost surely, 2289007681880 is an apocalyptic number.
289007681880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
289007681880 is an abundant number, since it is smaller than the sum of its proper divisors (578015364120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
289007681880 is a wasteful number, since it uses less digits than its factorization.
289007681880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2408397363 (or 2408397359 counting only the distinct ones).
The product of its (nonzero) digits is 3096576, while the sum is 57.
The spelling of 289007681880 in words is "two hundred eighty-nine billion, seven million, six hundred eighty-one thousand, eight hundred eighty".
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