Base | Representation |
---|---|
bin | 10110101111111001… |
… | …11111000111111110 |
3 | 1011112010221212021201 |
4 | 23113330333013332 |
5 | 200003013220410 |
6 | 5335515250114 |
7 | 611435661502 |
oct | 132774770776 |
9 | 34463855251 |
10 | 12213023230 |
11 | 51a7a2a131 |
12 | 244a14993a |
13 | 11c832b785 |
14 | 83c030302 |
15 | 4b72ed83a |
hex | 2d7f3f1fe |
12213023230 has 64 divisors (see below), whose sum is σ = 23207067648. Its totient is φ = 4618599040.
The previous prime is 12213023219. The next prime is 12213023231. The reversal of 12213023230 is 3232031221.
It is a junction number, because it is equal to n+sod(n) for n = 12213023198 and 12213023207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12213023231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7599087 + ... + 7600693.
It is an arithmetic number, because the mean of its divisors is an integer number (362610432).
Almost surely, 212213023230 is an apocalyptic number.
12213023230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12213023230 is a deficient number, since it is larger than the sum of its proper divisors (10994044418).
12213023230 is a wasteful number, since it uses less digits than its factorization.
12213023230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2001.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 12213023230 its reverse (3232031221), we get a palindrome (15445054451).
The spelling of 12213023230 in words is "twelve billion, two hundred thirteen million, twenty-three thousand, two hundred thirty".
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