Base | Representation |
---|---|
bin | 11000101111010001… |
… | …01011010111000000 |
3 | 1021021121101010020020 |
4 | 30113220223113000 |
5 | 204200022104331 |
6 | 10033523213440 |
7 | 650061246651 |
oct | 142750532700 |
9 | 37247333206 |
10 | 13281441216 |
11 | 56a60333aa |
12 | 26a7b17280 |
13 | 13387a2374 |
14 | 8ddcab528 |
15 | 52aee6c96 |
hex | 317a2b5c0 |
13281441216 has 84 divisors (see below), whose sum is σ = 37329316248. Its totient is φ = 4166709248.
The previous prime is 13281441191. The next prime is 13281441269. The reversal of 13281441216 is 61214418231.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64191 + ... + 175166.
It is an arithmetic number, because the mean of its divisors is an integer number (444396622).
Almost surely, 213281441216 is an apocalyptic number.
13281441216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
13281441216 is an abundant number, since it is smaller than the sum of its proper divisors (24047875032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13281441216 is a wasteful number, since it uses less digits than its factorization.
13281441216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 239406 (or 239379 counting only the distinct ones).
The product of its digits is 9216, while the sum is 33.
Adding to 13281441216 its reverse (61214418231), we get a palindrome (74495859447).
The spelling of 13281441216 in words is "thirteen billion, two hundred eighty-one million, four hundred forty-one thousand, two hundred sixteen".
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