Base | Representation |
---|---|
bin | 10110111110001111… |
… | …11011001101101111 |
3 | 1011211112100010221120 |
4 | 23133013323031233 |
5 | 200224313100221 |
6 | 5355454032023 |
7 | 614426405100 |
oct | 133707731557 |
9 | 34745303846 |
10 | 12333331311 |
11 | 52599313a4 |
12 | 24824a8613 |
13 | 12172329a2 |
14 | 84ddca3a7 |
15 | 4c2b655c6 |
hex | 2df1fb36f |
12333331311 has 24 divisors (see below), whose sum is σ = 19172530944. Its totient is φ = 7031671920.
The previous prime is 12333331279. The next prime is 12333331327. The reversal of 12333331311 is 11313333321.
It is not a de Polignac number, because 12333331311 - 25 = 12333331279 is a prime.
It is a super-2 number, since 2×123333313112 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12333331111) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29575 + ... + 159816.
It is an arithmetic number, because the mean of its divisors is an integer number (798855456).
Almost surely, 212333331311 is an apocalyptic number.
12333331311 is a deficient number, since it is larger than the sum of its proper divisors (6839199633).
12333331311 is a wasteful number, since it uses less digits than its factorization.
12333331311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189851 (or 189844 counting only the distinct ones).
The product of its digits is 1458, while the sum is 24.
Adding to 12333331311 its reverse (11313333321), we get a palindrome (23646664632).
The spelling of 12333331311 in words is "twelve billion, three hundred thirty-three million, three hundred thirty-one thousand, three hundred eleven".
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