Base | Representation |
---|---|
bin | 111111010001100… |
… | …0100111001011000 |
3 | 12110222000220000210 |
4 | 1332203010321120 |
5 | 13322004434222 |
6 | 550401531120 |
7 | 103420154541 |
oct | 17643047130 |
9 | 5428026023 |
10 | 2123124312 |
11 | 99a4a27a1 |
12 | 4b3043aa0 |
13 | 27ab2639a |
14 | 161d894c8 |
15 | c65d3d0c |
hex | 7e8c4e58 |
2123124312 has 32 divisors (see below), whose sum is σ = 5431250880. Its totient is φ = 691249440.
The previous prime is 2123124299. The next prime is 2123124323. The reversal of 2123124312 is 2134213212.
2123124312 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027614 + ... + 1029677.
It is an arithmetic number, because the mean of its divisors is an integer number (169726590).
Almost surely, 22123124312 is an apocalyptic number.
It is an amenable number.
2123124312 is an abundant number, since it is smaller than the sum of its proper divisors (3308126568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2123124312 is a wasteful number, since it uses less digits than its factorization.
2123124312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2057343 (or 2057339 counting only the distinct ones).
The product of its digits is 576, while the sum is 21.
The square root of 2123124312 is about 46077.3731022071. The cubic root of 2123124312 is about 1285.2624155842.
Adding to 2123124312 its reverse (2134213212), we get a palindrome (4257337524).
Subtracting 2123124312 from its reverse (2134213212), we obtain a square (11088900 = 33302).
The spelling of 2123124312 in words is "two billion, one hundred twenty-three million, one hundred twenty-four thousand, three hundred twelve".
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