Base | Representation |
---|---|
bin | 101001100101100100… |
… | …1000010001001111001 |
3 | 22112111222210111110200 |
4 | 1103023021002021321 |
5 | 2430400204121024 |
6 | 105005521232413 |
7 | 6311060062503 |
oct | 1231311021171 |
9 | 275458714420 |
10 | 89307488889 |
11 | 34969827263 |
12 | 15384a92709 |
13 | 85635057a8 |
14 | 4472d52d73 |
15 | 24ca6882c9 |
hex | 14cb242279 |
89307488889 has 6 divisors (see below), whose sum is σ = 128999706186. Its totient is φ = 59538325920.
The previous prime is 89307488797. The next prime is 89307488957. The reversal of 89307488889 is 98888470398.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 67776915600 + 21530573289 = 260340^2 + 146733^2 .
It is not a de Polignac number, because 89307488889 - 211 = 89307486841 is a prime.
It is not an unprimeable number, because it can be changed into a prime (89307488789) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4961527152 + ... + 4961527169.
It is an arithmetic number, because the mean of its divisors is an integer number (21499951031).
Almost surely, 289307488889 is an apocalyptic number.
It is an amenable number.
89307488889 is a deficient number, since it is larger than the sum of its proper divisors (39692217297).
89307488889 is a wasteful number, since it uses less digits than its factorization.
89307488889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9923054327 (or 9923054324 counting only the distinct ones).
The product of its (nonzero) digits is 222953472, while the sum is 72.
The spelling of 89307488889 in words is "eighty-nine billion, three hundred seven million, four hundred eighty-eight thousand, eight hundred eighty-nine".
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