Base | Representation |
---|---|
bin | 111110111100111… |
… | …0100101111001111 |
3 | 12110012200110212222 |
4 | 1331321310233033 |
5 | 13311222411343 |
6 | 545334045555 |
7 | 103226224562 |
oct | 17571645717 |
9 | 5405613788 |
10 | 2112310223 |
11 | 994386a31 |
12 | 4ab4a98bb |
13 | 27880b10a |
14 | 1607724d9 |
15 | c5699a68 |
hex | 7de74bcf |
2112310223 has 4 divisors (see below), whose sum is σ = 2112715488. Its totient is φ = 2111904960.
The previous prime is 2112310181. The next prime is 2112310253. The reversal of 2112310223 is 3220132112.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2112310223 - 214 = 2112293839 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 (2112310253) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194711 + ... + 205272.
It is an arithmetic number, because the mean of its divisors is an integer number (528178872).
Almost surely, 22112310223 is an apocalyptic number.
2112310223 is a deficient number, since it is larger than the sum of its proper divisors (405265).
2112310223 is an equidigital number, since it uses as much as digits as its factorization.
2112310223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 405264.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 2112310223 is about 45959.8762291632. The cubic root of 2112310223 is about 1283.0765477942.
Adding to 2112310223 its reverse (3220132112), we get a palindrome (5332442335).
The spelling of 2112310223 in words is "two billion, one hundred twelve million, three hundred ten thousand, two hundred twenty-three".
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