Base | Representation |
---|---|
bin | 1110000001010010010100… |
… | …11000100110000101100011 |
3 | 11001011100222011122022221221 |
4 | 13000221022120212011203 |
5 | 13020111402420242011 |
6 | 145323202525555511 |
7 | 6331301051251666 |
oct | 700511230460543 |
9 | 131140864568857 |
10 | 30830523212131 |
11 | 990717366a8a5 |
12 | 355b1b3a15b97 |
13 | 14283c8ca2296 |
14 | 7882c34356dd |
15 | 386e8cae5971 |
hex | 1c0a4a626163 |
30830523212131 has 2 divisors, whose sum is σ = 30830523212132. Its totient is φ = 30830523212130.
The previous prime is 30830523212081. The next prime is 30830523212197. The reversal of 30830523212131 is 13121232503803.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30830523212131 is a prime.
It is a super-2 number, since 2×308305232121312 (a number of 28 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (30830523212231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15415261606065 + 15415261606066.
It is an arithmetic number, because the mean of its divisors is an integer number (15415261606066).
Almost surely, 230830523212131 is an apocalyptic number.
30830523212131 is a deficient number, since it is larger than the sum of its proper divisors (1).
30830523212131 is an equidigital number, since it uses as much as digits as its factorization.
30830523212131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 25920, while the sum is 34.
Adding to 30830523212131 its reverse (13121232503803), we get a palindrome (43951755715934).
The spelling of 30830523212131 in words is "thirty trillion, eight hundred thirty billion, five hundred twenty-three million, two hundred twelve thousand, one hundred thirty-one".
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