Base | Representation |
---|---|
bin | 11000100111001111… |
… | …00001100011010000 |
3 | 1021002220112021110201 |
4 | 30103213201203100 |
5 | 204030242430112 |
6 | 10023114304544 |
7 | 645312254620 |
oct | 142347414320 |
9 | 37086467421 |
10 | 13214030032 |
11 | 5670a80385 |
12 | 2689428154 |
13 | 132782bca8 |
14 | 8d4d60880 |
15 | 52512d257 |
hex | 3139e18d0 |
13214030032 has 80 divisors (see below), whose sum is σ = 30972839040. Its totient is φ = 5340658176.
The previous prime is 13214029999. The next prime is 13214030033. The reversal of 13214030032 is 23003041231.
It is a super-2 number, since 2×132140300322 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13214029991 and 13214030009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13214030033) 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, 92358 + ... + 186970.
It is an arithmetic number, because the mean of its divisors is an integer number (387160488).
Almost surely, 213214030032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13214030032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15486419520).
13214030032 is an abundant number, since it is smaller than the sum of its proper divisors (17758809008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13214030032 is a wasteful number, since it uses less digits than its factorization.
13214030032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94700 (or 94694 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 13214030032 its reverse (23003041231), we get a palindrome (36217071263).
The spelling of 13214030032 in words is "thirteen billion, two hundred fourteen million, thirty thousand, thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •