Base | Representation |
---|---|
bin | 1001000011100000101… |
… | …00001111100010000001 |
3 | 1002202001121221011112002 |
4 | 10201300110033202001 |
5 | 20044134213000001 |
6 | 354532200113345 |
7 | 31322615236331 |
oct | 4416024174201 |
9 | 1082047834462 |
10 | 311122000001 |
11 | 10aa4529253a |
12 | 5036a165855 |
13 | 234531005b7 |
14 | 110b62cd0c1 |
15 | 815dceb46b |
hex | 487050f881 |
311122000001 has 16 divisors (see below), whose sum is σ = 318269736000. Its totient is φ = 304068323328.
The previous prime is 311121999959. The next prime is 311122000027. The reversal of 311122000001 is 100000221113.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-311122000001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (311122000031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4239446 + ... + 4312208.
It is an arithmetic number, because the mean of its divisors is an integer number (19891858500).
Almost surely, 2311122000001 is an apocalyptic number.
It is an amenable number.
311122000001 is a deficient number, since it is larger than the sum of its proper divisors (7147735999).
311122000001 is a wasteful number, since it uses less digits than its factorization.
311122000001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73408.
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 311122000001 its reverse (100000221113), we get a palindrome (411122221114).
The spelling of 311122000001 in words is "three hundred eleven billion, one hundred twenty-two million, one", and thus it is an aban number.
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