Base | Representation |
---|---|
bin | 11001001010100010… |
… | …00100001000010000 |
3 | 1021212112200211100011 |
4 | 30211101010020100 |
5 | 210132043212430 |
6 | 10112333004304 |
7 | 655536141433 |
oct | 144521041020 |
9 | 37775624304 |
10 | 13510132240 |
11 | 5803132350 |
12 | 2750623694 |
13 | 1373c938b7 |
14 | 9223db81a |
15 | 54111c22a |
hex | 325444210 |
13510132240 has 80 divisors (see below), whose sum is σ = 34409333376. Its totient is φ = 4892313600.
The previous prime is 13510132231. The next prime is 13510132243. The reversal of 13510132240 is 4223101531.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (13510132243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180229 + ... + 243931.
Almost surely, 213510132240 is an apocalyptic number.
13510132240 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 13510132240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17204666688).
13510132240 is an abundant number, since it is smaller than the sum of its proper divisors (20899201136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13510132240 is a wasteful number, since it uses less digits than its factorization.
13510132240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63968 (or 63962 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 13510132240 its reverse (4223101531), we get a palindrome (17733233771).
The spelling of 13510132240 in words is "thirteen billion, five hundred ten million, one hundred thirty-two thousand, two hundred forty".
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