Base | Representation |
---|---|
bin | 110010000011… |
… | …001110100111 |
3 | 220200120211121 |
4 | 302003032213 |
5 | 11324323143 |
6 | 1145114411 |
7 | 216343651 |
oct | 62031647 |
9 | 26616747 |
10 | 13120423 |
11 | 7451628 |
12 | 4488a07 |
13 | 2944c84 |
14 | 1a576d1 |
15 | 12427ed |
hex | c833a7 |
13120423 has 2 divisors, whose sum is σ = 13120424. Its totient is φ = 13120422.
The previous prime is 13120411. The next prime is 13120427. The reversal of 13120423 is 32402131.
It is a happy number.
13120423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13120423 - 217 = 12989351 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13120397 and 13120406.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13120427) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560211 + 6560212.
It is an arithmetic number, because the mean of its divisors is an integer number (6560212).
Almost surely, 213120423 is an apocalyptic number.
13120423 is a deficient number, since it is larger than the sum of its proper divisors (1).
13120423 is an equidigital number, since it uses as much as digits as its factorization.
13120423 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 13120423 is about 3622.2124454537. The cubic root of 13120423 is about 235.8572762910.
Adding to 13120423 its reverse (32402131), we get a palindrome (45522554).
The spelling of 13120423 in words is "thirteen million, one hundred twenty thousand, four hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •