Base | Representation |
---|---|
bin | 110010000101… |
… | …100111100100 |
3 | 220201002021011 |
4 | 302011213210 |
5 | 11330131322 |
6 | 1145232004 |
7 | 216414334 |
oct | 62054744 |
9 | 26632234 |
10 | 13130212 |
11 | 7458a17 |
12 | 4492604 |
13 | 2949574 |
14 | 1a5b0c4 |
15 | 1245677 |
hex | c859e4 |
13130212 has 12 divisors (see below), whose sum is σ = 23021740. Its totient is φ = 6552576.
The previous prime is 13130177. The next prime is 13130231. The reversal of 13130212 is 21203131.
It can be written as a sum of positive squares in 2 ways, for example, as 12845056 + 285156 = 3584^2 + 534^2 .
It is a plaindrome in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 13130192 and 13130201.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537 + ... + 5152.
Almost surely, 213130212 is an apocalyptic number.
It is an amenable number.
13130212 is a deficient number, since it is larger than the sum of its proper divisors (9891528).
13130212 is a wasteful number, since it uses less digits than its factorization.
13130212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6270 (or 6268 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 13130212 is about 3623.5634394888. The cubic root of 13130212 is about 235.9159185295.
Adding to 13130212 its reverse (21203131), we get a palindrome (34333343).
The spelling of 13130212 in words is "thirteen million, one hundred thirty thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •