Base | Representation |
---|---|
bin | 1101101100010110101101… |
… | …00110010001001101000001 |
3 | 10221121121120201222121220100 |
4 | 12312023112212101031001 |
5 | 12421320441200213441 |
6 | 144012541104433013 |
7 | 6225320415213351 |
oct | 666132646211501 |
9 | 127547521877810 |
10 | 30111321101121 |
11 | 965a159840a77 |
12 | 3463938618769 |
13 | 13a56405517a0 |
14 | 761577bc4b61 |
15 | 3733e7d7dcb6 |
hex | 1b62d6991341 |
30111321101121 has 48 divisors (see below), whose sum is σ = 48146032024272. Its totient is φ = 18016390656000.
The previous prime is 30111321101107. The next prime is 30111321101209. The reversal of 30111321101121 is 12110112311103.
30111321101121 is a `hidden beast` number, since 301 + 1 + 1 + 321 + 10 + 11 + 21 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 7109896940721 + 23001424160400 = 2666439^2 + 4795980^2 .
It is not a de Polignac number, because 30111321101121 - 210 = 30111321100097 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30111321101094 and 30111321101103.
It is not an unprimeable number, because it can be changed into a prime (30111321181121) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9306280 + ... + 12117321.
It is an arithmetic number, because the mean of its divisors is an integer number (1003042333839).
Almost surely, 230111321101121 is an apocalyptic number.
It is an amenable number.
30111321101121 is a deficient number, since it is larger than the sum of its proper divisors (18034710923151).
30111321101121 is a wasteful number, since it uses less digits than its factorization.
30111321101121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21423954 (or 21423951 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 18.
Adding to 30111321101121 its reverse (12110112311103), we get a palindrome (42221433412224).
The spelling of 30111321101121 in words is "thirty trillion, one hundred eleven billion, three hundred twenty-one million, one hundred one thousand, one hundred twenty-one".
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