Base | Representation |
---|---|
bin | 111000010110011100… |
… | …0111111110101100101 |
3 | 102120100112211212212112 |
4 | 1300230320333311211 |
5 | 3440313112121313 |
6 | 131331531530405 |
7 | 11512536632561 |
oct | 1605470776545 |
9 | 376315755775 |
10 | 121012223333 |
11 | 47359277531 |
12 | 1b5528b9a05 |
13 | b546b140a1 |
14 | 5bdd9566a1 |
15 | 3233c9d8a8 |
hex | 1c2ce3fd65 |
121012223333 has 4 divisors (see below), whose sum is σ = 121014789900. Its totient is φ = 121009656768.
The previous prime is 121012223291. The next prime is 121012223351. The reversal of 121012223333 is 333322210121.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 333322210121 = 137 ⋅2433008833.
It can be written as a sum of positive squares in 2 ways, for example, as 55423988929 + 65588234404 = 235423^2 + 256102^2 .
It is a cyclic number.
It is not a de Polignac number, because 121012223333 - 216 = 121012157797 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121012223299 and 121012223308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121012223393) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211210 + ... + 1307307.
It is an arithmetic number, because the mean of its divisors is an integer number (30253697475).
Almost surely, 2121012223333 is an apocalyptic number.
It is an amenable number.
121012223333 is a deficient number, since it is larger than the sum of its proper divisors (2566567).
121012223333 is an equidigital number, since it uses as much as digits as its factorization.
121012223333 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2566566.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 121012223333 its reverse (333322210121), we get a palindrome (454334433454).
The spelling of 121012223333 in words is "one hundred twenty-one billion, twelve million, two hundred twenty-three thousand, three hundred thirty-three".
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