Base | Representation |
---|---|
bin | 1101101100111011110000… |
… | …01001000110011111001110 |
3 | 10221200111220220210000201221 |
4 | 12312131320021012133032 |
5 | 12422132210033430410 |
6 | 144030030511153554 |
7 | 6226623334435612 |
oct | 666357011063716 |
9 | 127614826700657 |
10 | 30131211233230 |
11 | 9667636249688 |
12 | 34677698158ba |
13 | 13a749023c223 |
14 | 76250366b342 |
15 | 373bae1464da |
hex | 1b67782467ce |
30131211233230 has 32 divisors (see below), whose sum is σ = 57640025424960. Its totient is φ = 11301345600000.
The previous prime is 30131211233161. The next prime is 30131211233231. The reversal of 30131211233230 is 3233211213103.
It is a junction number, because it is equal to n+sod(n) for n = 30131211233195 and 30131211233204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30131211233231) 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, 329401146 + ... + 329492605.
It is an arithmetic number, because the mean of its divisors is an integer number (1801250794530).
Almost surely, 230131211233230 is an apocalyptic number.
30131211233230 is a deficient number, since it is larger than the sum of its proper divisors (27508814191730).
30131211233230 is a wasteful number, since it uses less digits than its factorization.
30131211233230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 658894044.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 30131211233230 its reverse (3233211213103), we get a palindrome (33364422446333).
The spelling of 30131211233230 in words is "thirty trillion, one hundred thirty-one billion, two hundred eleven million, two hundred thirty-three thousand, two hundred thirty".
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