Base | Representation |
---|---|
bin | 1101101100101001001000… |
… | …01001111001011011001100 |
3 | 10221122120010001212120202112 |
4 | 12312110210021321123030 |
5 | 12422001220312034012 |
6 | 144021254401443152 |
7 | 6226120501310054 |
oct | 666244411713314 |
9 | 127576101776675 |
10 | 30121212221132 |
11 | 966337504991a |
12 | 34658390404b8 |
13 | 13a6558809616 |
14 | 761c356c4564 |
15 | 3737c63d1122 |
hex | 1b65242796cc |
30121212221132 has 12 divisors (see below), whose sum is σ = 52765745118576. Its totient is φ = 15045285044400.
The previous prime is 30121212221077. The next prime is 30121212221161. The reversal of 30121212221132 is 23112221212103.
It is a super-2 number, since 2×301212122211322 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30121212221098 and 30121212221107.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3830262119 + ... + 3830269982.
It is an arithmetic number, because the mean of its divisors is an integer number (4397145426548).
Almost surely, 230121212221132 is an apocalyptic number.
It is an amenable number.
30121212221132 is a deficient number, since it is larger than the sum of its proper divisors (22644532897444).
30121212221132 is a wasteful number, since it uses less digits than its factorization.
30121212221132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7660533088 (or 7660533086 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 30121212221132 its reverse (23112221212103), we get a palindrome (53233433433235).
The spelling of 30121212221132 in words is "thirty trillion, one hundred twenty-one billion, two hundred twelve million, two hundred twenty-one thousand, one hundred thirty-two".
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