Base | Representation |
---|---|
bin | 110010000011… |
… | …001111001101 |
3 | 220200120220000 |
4 | 302003033031 |
5 | 11324323321 |
6 | 1145114513 |
7 | 216344034 |
oct | 62031715 |
9 | 26616800 |
10 | 13120461 |
11 | 7451662 |
12 | 4488a39 |
13 | 2944cb3 |
14 | 1a5771b |
15 | 1242826 |
hex | c833cd |
13120461 has 20 divisors (see below), whose sum is σ = 20060832. Its totient is φ = 8541288.
The previous prime is 13120427. The next prime is 13120483. The reversal of 13120461 is 16402131.
It is a happy number.
13120461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13120461 - 218 = 12858317 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13120411) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1600 + ... + 5366.
Almost surely, 213120461 is an apocalyptic number.
It is an amenable number.
13120461 is a deficient number, since it is larger than the sum of its proper divisors (6940371).
13120461 is an equidigital number, since it uses as much as digits as its factorization.
13120461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3822 (or 3813 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 13120461 is about 3622.2176908629. The cubic root of 13120461 is about 235.8575039912.
Adding to 13120461 its reverse (16402131), we get a palindrome (29522592).
The spelling of 13120461 in words is "thirteen million, one hundred twenty thousand, four hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •