Base | Representation |
---|---|
bin | 11000101010101110… |
… | …00110111110010100 |
3 | 1021011221120101200000 |
4 | 30111113012332110 |
5 | 204110240000200 |
6 | 10030041251300 |
7 | 646116014364 |
oct | 142527067624 |
9 | 37157511600 |
10 | 13243281300 |
11 | 568653a287 |
12 | 2697193b30 |
13 | 1330901232 |
14 | 8d8bb69a4 |
15 | 5279aa300 |
hex | 3155c6f94 |
13243281300 has 216 divisors, whose sum is σ = 43299957792. Its totient is φ = 3510864000.
The previous prime is 13243281269. The next prime is 13243281323. The reversal of 13243281300 is 318234231.
13243281300 is a `hidden beast` number, since 1 + 32 + 4 + 328 + 1 + 300 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4396795 + ... + 4399805.
Almost surely, 213243281300 is an apocalyptic number.
13243281300 is a gapful number since it is divisible by the number (10) 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 13243281300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21649978896).
13243281300 is an abundant number, since it is smaller than the sum of its proper divisors (30056676492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13243281300 is a wasteful number, since it uses less digits than its factorization.
13243281300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3221 (or 3202 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The spelling of 13243281300 in words is "thirteen billion, two hundred forty-three million, two hundred eighty-one thousand, three hundred".
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