Base | Representation |
---|---|
bin | 11000110000000110… |
… | …11001011111001010 |
3 | 1021022002112222211220 |
4 | 30120003121133022 |
5 | 204203320232043 |
6 | 10034333302510 |
7 | 650204632530 |
oct | 143003313712 |
9 | 37262488756 |
10 | 13288445898 |
11 | 56a9a880a2 |
12 | 26aa334a36 |
13 | 133a085750 |
14 | 900bb2150 |
15 | 52b92c483 |
hex | 3180d97ca |
13288445898 has 64 divisors (see below), whose sum is σ = 32899329792. Its totient is φ = 3484362240.
The previous prime is 13288445873. The next prime is 13288445921. The reversal of 13288445898 is 89854488231.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24118 + ... + 164798.
It is an arithmetic number, because the mean of its divisors is an integer number (514052028).
Almost surely, 213288445898 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13288445898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16449664896).
13288445898 is an abundant number, since it is smaller than the sum of its proper divisors (19610883894).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13288445898 is a wasteful number, since it uses less digits than its factorization.
13288445898 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140879.
The product of its digits is 17694720, while the sum is 60.
The spelling of 13288445898 in words is "thirteen billion, two hundred eighty-eight million, four hundred forty-five thousand, eight hundred ninety-eight".
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