Base | Representation |
---|---|
bin | 111000010110101011… |
… | …1000101100110000001 |
3 | 102120101002200122000222 |
4 | 1300231113011212001 |
5 | 3440322122024413 |
6 | 131332412552425 |
7 | 11512663654430 |
oct | 1605527054601 |
9 | 376332618028 |
10 | 121020111233 |
11 | 4736277485a |
12 | 1b555482715 |
13 | b548646498 |
14 | 5c00a0b117 |
15 | 323480ab08 |
hex | 1c2d5c5981 |
121020111233 has 8 divisors (see below), whose sum is σ = 139364491200. Its totient is φ = 102939679440.
The previous prime is 121020111217. The next prime is 121020111257. The reversal of 121020111233 is 332111020121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121020111233 - 24 = 121020111217 is a prime.
It is a super-3 number, since 3×1210201112333 (a number of 34 digits) contains 333 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (121020111283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65986058 + ... + 65987891.
It is an arithmetic number, because the mean of its divisors is an integer number (17420561400).
Almost surely, 2121020111233 is an apocalyptic number.
It is an amenable number.
121020111233 is a deficient number, since it is larger than the sum of its proper divisors (18344379967).
121020111233 is a wasteful number, since it uses less digits than its factorization.
121020111233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131974087.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 121020111233 its reverse (332111020121), we get a palindrome (453131131354).
The spelling of 121020111233 in words is "one hundred twenty-one billion, twenty million, one hundred eleven thousand, two hundred thirty-three".
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