Base | Representation |
---|---|
bin | 10010100110101… |
… | …011101100010011 |
3 | 210202022212022100 |
4 | 102212223230103 |
5 | 1114401132243 |
6 | 50550011443 |
7 | 10510030641 |
oct | 2246535423 |
9 | 722285270 |
10 | 312130323 |
11 | 15020a14a |
12 | 88646b83 |
13 | 4c8871cb |
14 | 2d650191 |
15 | 1c6080d3 |
hex | 129abb13 |
312130323 has 6 divisors (see below), whose sum is σ = 450854924. Its totient is φ = 208086876.
The previous prime is 312130283. The next prime is 312130327. The reversal of 312130323 is 323031213.
312130323 is a `hidden beast` number, since 312 + 1 + 30 + 323 = 666.
It is not a de Polignac number, because 312130323 - 216 = 312064787 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 312130296 and 312130305.
It is not an unprimeable number, because it can be changed into a prime (312130327) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17340565 + ... + 17340582.
Almost surely, 2312130323 is an apocalyptic number.
312130323 is a deficient number, since it is larger than the sum of its proper divisors (138724601).
312130323 is a wasteful number, since it uses less digits than its factorization.
312130323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34681153 (or 34681150 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 312130323 is about 17667.2103910040. The cubic root of 312130323 is about 678.3367098268.
Adding to 312130323 its reverse (323031213), we get a palindrome (635161536).
The spelling of 312130323 in words is "three hundred twelve million, one hundred thirty thousand, three hundred twenty-three".
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