Base | Representation |
---|---|
bin | 101110100101… |
… | …101110001010 |
3 | 211222111021011 |
4 | 232211232022 |
5 | 11111310010 |
6 | 1113434134 |
7 | 205544536 |
oct | 56455612 |
9 | 24874234 |
10 | 12213130 |
11 | 69919a6 |
12 | 410b94a |
13 | 26b8007 |
14 | 189cbc6 |
15 | 1113a8a |
hex | ba5b8a |
12213130 has 16 divisors (see below), whose sum is σ = 22153824. Its totient is φ = 4847440.
The previous prime is 12213127. The next prime is 12213137. The reversal of 12213130 is 3131221.
It is a super-3 number, since 3×122131303 (a number of 22 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12213130.
It is not an unprimeable number, because it can be changed into a prime (12213137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3352 + ... + 5971.
It is an arithmetic number, because the mean of its divisors is an integer number (1384614).
Almost surely, 212213130 is an apocalyptic number.
12213130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12213130 is a deficient number, since it is larger than the sum of its proper divisors (9940694).
12213130 is a wasteful number, since it uses less digits than its factorization.
12213130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9461.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 12213130 is about 3494.7288879110. The cubic root of 12213130 is about 230.2903076455.
Adding to 12213130 its reverse (3131221), we get a palindrome (15344351).
The spelling of 12213130 in words is "twelve million, two hundred thirteen thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •