Base | Representation |
---|---|
bin | 1101101100101100110110… |
… | …11010101100001110101001 |
3 | 10221122202021111220101100100 |
4 | 12312112123122230032221 |
5 | 12422014320024042413 |
6 | 144022225115500013 |
7 | 6226221205512603 |
oct | 666263332541651 |
9 | 127582244811310 |
10 | 30123213112233 |
11 | 9664201544a2a |
12 | 34660b7157609 |
13 | 13a67b7206457 |
14 | 761d85332173 |
15 | 373891dbca73 |
hex | 1b659b6ac3a9 |
30123213112233 has 12 divisors (see below), whose sum is σ = 43511358038148. Its totient is φ = 20082118901280.
The previous prime is 30123213112231. The next prime is 30123213112259. The reversal of 30123213112233 is 33221131232103.
30123213112233 is a `hidden beast` number, since 3 + 0 + 1 + 2 + 321 + 311 + 2 + 23 + 3 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2607281925264 + 27515931186969 = 1614708^2 + 5245563^2 .
It is not a de Polignac number, because 30123213112233 - 21 = 30123213112231 is a prime.
It is a super-2 number, since 2×301232131122332 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30123213112197 and 30123213112206.
It is not an unprimeable number, because it can be changed into a prime (30123213112231) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10541203 + ... + 13090583.
It is an arithmetic number, because the mean of its divisors is an integer number (3625946503179).
Almost surely, 230123213112233 is an apocalyptic number.
It is an amenable number.
30123213112233 is a deficient number, since it is larger than the sum of its proper divisors (13388144925915).
30123213112233 is a wasteful number, since it uses less digits than its factorization.
30123213112233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3862264 (or 3862261 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
Adding to 30123213112233 its reverse (33221131232103), we get a palindrome (63344344344336).
The spelling of 30123213112233 in words is "thirty trillion, one hundred twenty-three billion, two hundred thirteen million, one hundred twelve thousand, two hundred thirty-three".
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