Base | Representation |
---|---|
bin | 10001101000110010101… |
… | …000010011000111011010 |
3 | 11021212110110122201010201 |
4 | 101220302220103013122 |
5 | 124324214212433310 |
6 | 2324444325332414 |
7 | 153365144510143 |
oct | 21506250230732 |
9 | 4255413581121 |
10 | 1212030202330 |
11 | 4280234a7172 |
12 | 176a9656710a |
13 | 8a3a8a9561c |
14 | 4293c168aca |
15 | 217dae24e3a |
hex | 11a32a131da |
1212030202330 has 16 divisors (see below), whose sum is σ = 2183643129960. Its totient is φ = 484370132992.
The previous prime is 1212030202283. The next prime is 1212030202363. The reversal of 1212030202330 is 332020302121.
It can be written as a sum of positive squares in 4 ways, for example, as 1103085977841 + 108944224489 = 1050279^2 + 330067^2 .
It is a super-2 number, since 2×12120302023302 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1212030202298 and 1212030202307.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55231975 + ... + 55253914.
Almost surely, 21212030202330 is an apocalyptic number.
1212030202330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1212030202330 is a deficient number, since it is larger than the sum of its proper divisors (971612927630).
1212030202330 is a wasteful number, since it uses less digits than its factorization.
1212030202330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110486993.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 1212030202330 its reverse (332020302121), we get a palindrome (1544050504451).
The spelling of 1212030202330 in words is "one trillion, two hundred twelve billion, thirty million, two hundred two thousand, three hundred thirty".
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