Base | Representation |
---|---|
bin | 1000011011001101101… |
… | …00110110010000101000 |
3 | 1000200012220121222102201 |
4 | 10031212310312100220 |
5 | 14220332403013400 |
6 | 340553335105544 |
7 | 26625531610120 |
oct | 4154664662050 |
9 | 1020186558381 |
10 | 289487938600 |
11 | 101853437a53 |
12 | 48130b122b4 |
13 | 213b6025433 |
14 | 10022da7c80 |
15 | 77e48a406a |
hex | 4366d36428 |
289487938600 has 192 divisors, whose sum is σ = 804909911040. Its totient is φ = 94734489600.
The previous prime is 289487938577. The next prime is 289487938601. The reversal of 289487938600 is 6839784982.
It is not an unprimeable number, because it can be changed into a prime (289487938601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3122514 + ... + 3213886.
It is an arithmetic number, because the mean of its divisors is an integer number (4192239120).
Almost surely, 2289487938600 is an apocalyptic number.
289487938600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 289487938600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402454955520).
289487938600 is an abundant number, since it is smaller than the sum of its proper divisors (515421972440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
289487938600 is a wasteful number, since it uses less digits than its factorization.
289487938600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91500 (or 91491 counting only the distinct ones).
The product of its (nonzero) digits is 41803776, while the sum is 64.
The spelling of 289487938600 in words is "two hundred eighty-nine billion, four hundred eighty-seven million, nine hundred thirty-eight thousand, six hundred".
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