Base | Representation |
---|---|
bin | 111000011111010100… |
… | …1011001010101000101 |
3 | 102121010022101202211212 |
4 | 1300332221121111011 |
5 | 3441420342421313 |
6 | 131421252541205 |
7 | 11523115014650 |
oct | 1607651312505 |
9 | 377108352755 |
10 | 121310123333 |
11 | 474a1447183 |
12 | 1b616621805 |
13 | b593758089 |
14 | 5c2b340897 |
15 | 324eee53a8 |
hex | 1c3ea59545 |
121310123333 has 16 divisors (see below), whose sum is σ = 140338590336. Its totient is φ = 102706771200.
The previous prime is 121310123323. The next prime is 121310123359. The reversal of 121310123333 is 333321013121.
It is a cyclic number.
It is not a de Polignac number, because 121310123333 - 226 = 121243014469 is a prime.
It is a super-2 number, since 2×1213101233332 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 121310123299 and 121310123308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121310123323) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3352385 + ... + 3388377.
It is an arithmetic number, because the mean of its divisors is an integer number (8771161896).
Almost surely, 2121310123333 is an apocalyptic number.
It is an amenable number.
121310123333 is a deficient number, since it is larger than the sum of its proper divisors (19028467003).
121310123333 is an equidigital number, since it uses as much as digits as its factorization.
121310123333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41884.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 121310123333 its reverse (333321013121), we get a palindrome (454631136454).
The spelling of 121310123333 in words is "one hundred twenty-one billion, three hundred ten million, one hundred twenty-three thousand, three hundred thirty-three".
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