Base | Representation |
---|---|
bin | 101110001010… |
… | …100011110001 |
3 | 211202211122112 |
4 | 232022203301 |
5 | 11044224443 |
6 | 1111215105 |
7 | 204602300 |
oct | 56124361 |
9 | 24684575 |
10 | 12101873 |
11 | 6916353 |
12 | 4077495 |
13 | 2679494 |
14 | 1870437 |
15 | 10e0b18 |
hex | b8a8f1 |
12101873 has 18 divisors (see below), whose sum is σ = 14603058. Its totient is φ = 9999360.
The previous prime is 12101863. The next prime is 12101891. The reversal of 12101873 is 37810121.
It is a happy number.
12101873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 12054784 + 47089 = 3472^2 + 217^2 .
It is not a de Polignac number, because 12101873 - 24 = 12101857 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 (12101813) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 46961 + ... + 47217.
It is an arithmetic number, because the mean of its divisors is an integer number (811281).
Almost surely, 212101873 is an apocalyptic number.
It is an amenable number.
12101873 is a deficient number, since it is larger than the sum of its proper divisors (2501185).
12101873 is an equidigital number, since it uses as much as digits as its factorization.
12101873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333 (or 295 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 23.
The square root of 12101873 is about 3478.7746405883. The cubic root of 12101873 is about 229.5888875248.
Adding to 12101873 its reverse (37810121), we get a palindrome (49911994).
The spelling of 12101873 in words is "twelve million, one hundred one thousand, eight hundred seventy-three".
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