Base | Representation |
---|---|
bin | 101001100111110001… |
… | …0011110011010010000 |
3 | 22112201010121211010120 |
4 | 1103033202132122100 |
5 | 2431023101021323 |
6 | 105021114430240 |
7 | 6312644143341 |
oct | 1231742363220 |
9 | 275633554116 |
10 | 89381267088 |
11 | 349a7438983 |
12 | 153a5732380 |
13 | 8575897c29 |
14 | 447ca7a0c8 |
15 | 24d1dad5e3 |
hex | 14cf89e690 |
89381267088 has 80 divisors (see below), whose sum is σ = 233832075456. Its totient is φ = 29416089600.
The previous prime is 89381267069. The next prime is 89381267113. The reversal of 89381267088 is 88076218398.
It is a Cunningham number, because it is equal to 2989672-1.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7168956 + ... + 7181412.
Almost surely, 289381267088 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 89381267088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116916037728).
89381267088 is an abundant number, since it is smaller than the sum of its proper divisors (144450808368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89381267088 is a wasteful number, since it uses less digits than its factorization.
89381267088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14352 (or 14346 counting only the distinct ones).
The product of its (nonzero) digits is 9289728, while the sum is 60.
The spelling of 89381267088 in words is "eighty-nine billion, three hundred eighty-one million, two hundred sixty-seven thousand, eighty-eight".
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