Base | Representation |
---|---|
bin | 10110100010111011… |
… | …11001111010100101 |
3 | 1011020120012200112002 |
4 | 23101131321322211 |
5 | 144242134242013 |
6 | 5321031135045 |
7 | 605645051126 |
oct | 132135717245 |
9 | 34216180462 |
10 | 12104212133 |
11 | 515156a802 |
12 | 2419814485 |
13 | 11ab921600 |
14 | 82b7c804d |
15 | 4ac9a8358 |
hex | 2d1779ea5 |
12104212133 has 24 divisors (see below), whose sum is σ = 13377698208. Its totient is φ = 10943055552.
The previous prime is 12104212129. The next prime is 12104212171. The reversal of 12104212133 is 33121240121.
It is not a de Polignac number, because 12104212133 - 22 = 12104212129 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12104242133) 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, 8481566 + ... + 8482992.
It is an arithmetic number, because the mean of its divisors is an integer number (557404092).
Almost surely, 212104212133 is an apocalyptic number.
12104212133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12104212133 is a deficient number, since it is larger than the sum of its proper divisors (1273486075).
12104212133 is a wasteful number, since it uses less digits than its factorization.
12104212133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2453 (or 2440 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 12104212133 its reverse (33121240121), we get a palindrome (45225452254).
The spelling of 12104212133 in words is "twelve billion, one hundred four million, two hundred twelve thousand, one hundred thirty-three".
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