Base | Representation |
---|---|
bin | 1001000101010101011… |
… | …00000001011000001011 |
3 | 1002211120212200101001021 |
4 | 10202222230001120023 |
5 | 20103140413441021 |
6 | 355213302133311 |
7 | 31356106244356 |
oct | 4425254013013 |
9 | 1084525611037 |
10 | 312101312011 |
11 | 1103a8066105 |
12 | 505a2121237 |
13 | 2357ac76168 |
14 | 1116a3b329d |
15 | 81b9c92c41 |
hex | 48aab0160b |
312101312011 has 8 divisors (see below), whose sum is σ = 317259899424. Its totient is φ = 306944085120.
The previous prime is 312101311997. The next prime is 312101312027. The reversal of 312101312011 is 110213101213.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 312101312011 - 233 = 303511377419 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (312101312041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127731 + ... + 800323.
It is an arithmetic number, because the mean of its divisors is an integer number (39657487428).
Almost surely, 2312101312011 is an apocalyptic number.
312101312011 is a deficient number, since it is larger than the sum of its proper divisors (5158587413).
312101312011 is an equidigital number, since it uses as much as digits as its factorization.
312101312011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 680261.
The product of its (nonzero) digits is 36, while the sum is 16.
Adding to 312101312011 its reverse (110213101213), we get a palindrome (422314413224).
The spelling of 312101312011 in words is "three hundred twelve billion, one hundred one million, three hundred twelve thousand, eleven".
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