Base | Representation |
---|---|
bin | 11001001101000010… |
… | …11011111001010110 |
3 | 1021221000100020101200 |
4 | 30212201123321112 |
5 | 210202441413420 |
6 | 10114404333330 |
7 | 656213211630 |
oct | 144641337126 |
9 | 37830306350 |
10 | 13531201110 |
11 | 5814012739 |
12 | 27576a4246 |
13 | 137845c69b |
14 | 925123a50 |
15 | 542dceb90 |
hex | 32685be56 |
13531201110 has 96 divisors (see below), whose sum is σ = 40309019712. Its totient is φ = 3084998400.
The previous prime is 13531201097. The next prime is 13531201111. The reversal of 13531201110 is 1110213531.
13531201110 is a `hidden beast` number, since 1 + 3 + 531 + 20 + 1 + 110 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13531201111) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223060 + ... + 277160.
It is an arithmetic number, because the mean of its divisors is an integer number (419885622).
Almost surely, 213531201110 is an apocalyptic number.
13531201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13531201110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20154509856).
13531201110 is an abundant number, since it is smaller than the sum of its proper divisors (26777818602).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13531201110 is a wasteful number, since it uses less digits than its factorization.
13531201110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54518 (or 54515 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 18.
Adding to 13531201110 its reverse (1110213531), we get a palindrome (14641414641).
The spelling of 13531201110 in words is "thirteen billion, five hundred thirty-one million, two hundred one thousand, one hundred ten".
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