Base | Representation |
---|---|
bin | 1101101100101000111110… |
… | …11100001001111001011001 |
3 | 10221122112220120000212221012 |
4 | 12312110133130021321121 |
5 | 12422001040034333423 |
6 | 144021242454223305 |
7 | 6226115521052546 |
oct | 666243734117131 |
9 | 127575816025835 |
10 | 30121133121113 |
11 | 9663334432901 |
12 | 3465816654b35 |
13 | 13a6545302a88 |
14 | 761c28db3bcd |
15 | 3737be4a9078 |
hex | 1b651f709e59 |
30121133121113 has 16 divisors (see below), whose sum is σ = 32031887010000. Its totient is φ = 28269989459712.
The previous prime is 30121133121077. The next prime is 30121133121133. The reversal of 30121133121113 is 31112133112103.
It can be written as a sum of positive squares in 8 ways, for example, as 5411564680729 + 24709568440384 = 2326277^2 + 4970872^2 .
It is a cyclic number.
It is not a de Polignac number, because 30121133121113 - 214 = 30121133104729 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30121133121133) 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, 11982938 + ... + 14277011.
It is an arithmetic number, because the mean of its divisors is an integer number (2001992938125).
Almost surely, 230121133121113 is an apocalyptic number.
It is an amenable number.
30121133121113 is a deficient number, since it is larger than the sum of its proper divisors (1910753888887).
30121133121113 is a wasteful number, since it uses less digits than its factorization.
30121133121113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26261084.
The product of its (nonzero) digits is 324, while the sum is 23.
Adding to 30121133121113 its reverse (31112133112103), we get a palindrome (61233266233216).
The spelling of 30121133121113 in words is "thirty trillion, one hundred twenty-one billion, one hundred thirty-three million, one hundred twenty-one thousand, one hundred thirteen".
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