Base | Representation |
---|---|
bin | 110010000100… |
… | …000111001101 |
3 | 220200202210202 |
4 | 302010013031 |
5 | 11324432140 |
6 | 1145143245 |
7 | 216360344 |
oct | 62040715 |
9 | 26622722 |
10 | 13124045 |
11 | 7454320 |
12 | 448ab25 |
13 | 294680c |
14 | 1a58b5b |
15 | 1243915 |
hex | c841cd |
13124045 has 16 divisors (see below), whose sum is σ = 17549568. Its totient is φ = 9339840.
The previous prime is 13124021. The next prime is 13124047. The reversal of 13124045 is 54042131.
It is not a de Polignac number, because 13124045 - 210 = 13123021 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13124047) 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, 47 + ... + 5123.
It is an arithmetic number, because the mean of its divisors is an integer number (1096848).
Almost surely, 213124045 is an apocalyptic number.
It is an amenable number.
13124045 is a deficient number, since it is larger than the sum of its proper divisors (4425523).
13124045 is a wasteful number, since it uses less digits than its factorization.
13124045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5140.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 13124045 is about 3622.7123816279. The cubic root of 13124045 is about 235.8789777371.
Adding to 13124045 its reverse (54042131), we get a palindrome (67166176).
The spelling of 13124045 in words is "thirteen million, one hundred twenty-four thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •