Base | Representation |
---|---|
bin | 11000011110111000… |
… | …11011101110101100 |
3 | 1020221000210002011201 |
4 | 30033130123232230 |
5 | 203404331414430 |
6 | 10012133455244 |
7 | 643502162524 |
oct | 141734335654 |
9 | 36830702151 |
10 | 13144013740 |
11 | 56354a9080 |
12 | 2669aa1524 |
13 | 1316185c30 |
14 | 8c9936684 |
15 | 51ddec8ca |
hex | 30f71bbac |
13144013740 has 48 divisors (see below), whose sum is σ = 32428035360. Its totient is φ = 4411975680.
The previous prime is 13144013731. The next prime is 13144013747. The reversal of 13144013740 is 4731044131.
It is a junction number, because it is equal to n+sod(n) for n = 13144013699 and 13144013708.
It is not an unprimeable number, because it can be changed into a prime (13144013747) 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, 2295045 + ... + 2300764.
It is an arithmetic number, because the mean of its divisors is an integer number (675584070).
Almost surely, 213144013740 is an apocalyptic number.
13144013740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13144013740 is an abundant number, since it is smaller than the sum of its proper divisors (19284021620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13144013740 is a wasteful number, since it uses less digits than its factorization.
13144013740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4595842 (or 4595840 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 28.
Adding to 13144013740 its reverse (4731044131), we get a palindrome (17875057871).
The spelling of 13144013740 in words is "thirteen billion, one hundred forty-four million, thirteen thousand, seven hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •