Base | Representation |
---|---|
bin | 111000011100011100… |
… | …0000011101000100101 |
3 | 102120212120012210202221 |
4 | 1300320320003220211 |
5 | 3441221101201313 |
6 | 131403513432341 |
7 | 11520531035623 |
oct | 1607070035045 |
9 | 376776183687 |
10 | 121213303333 |
11 | 47451827951 |
12 | 1b5aa10b6b1 |
13 | b579688b35 |
14 | 5c1c53a513 |
15 | 324676cc8d |
hex | 1c38e03a25 |
121213303333 has 8 divisors (see below), whose sum is σ = 124455548448. Its totient is φ = 117990300624.
The previous prime is 121213303331. The next prime is 121213303339. The reversal of 121213303333 is 333303312121.
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 121213303333 - 21 = 121213303331 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121213303298 and 121213303307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121213303331) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4797835 + ... + 4823032.
It is an arithmetic number, because the mean of its divisors is an integer number (15556943556).
Almost surely, 2121213303333 is an apocalyptic number.
It is an amenable number.
121213303333 is a deficient number, since it is larger than the sum of its proper divisors (3242245115).
121213303333 is an equidigital number, since it uses as much as digits as its factorization.
121213303333 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9621203.
The product of its (nonzero) digits is 2916, while the sum is 25.
Adding to 121213303333 its reverse (333303312121), we get a palindrome (454516615454).
The spelling of 121213303333 in words is "one hundred twenty-one billion, two hundred thirteen million, three hundred three thousand, three hundred thirty-three".
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