Base | Representation |
---|---|
bin | 1001000011100000101… |
… | …00010010011110000001 |
3 | 1002202001121221210000201 |
4 | 10201300110102132001 |
5 | 20044134213341113 |
6 | 354532200245201 |
7 | 31322615316400 |
oct | 4416024223601 |
9 | 1082047853021 |
10 | 311122012033 |
11 | 10aa452a0588 |
12 | 5036a170801 |
13 | 23453105c11 |
14 | 110b62d3637 |
15 | 815dceecdd |
hex | 4870512781 |
311122012033 has 36 divisors (see below), whose sum is σ = 368581518396. Its totient is φ = 261852796800.
The previous prime is 311122012027. The next prime is 311122012039. The reversal of 311122012033 is 330210221113.
It is an interprime number because it is at equal distance from previous prime (311122012027) and next prime (311122012039).
It can be written as a sum of positive squares in 6 ways, for example, as 32135223169 + 278986788864 = 179263^2 + 528192^2 .
It is not a de Polignac number, because 311122012033 - 217 = 311121880961 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 311122012033.
It is not an unprimeable number, because it can be changed into a prime (311122012039) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 145315143 + ... + 145317283.
It is an arithmetic number, because the mean of its divisors is an integer number (10238375511).
Almost surely, 2311122012033 is an apocalyptic number.
It is an amenable number.
311122012033 is a deficient number, since it is larger than the sum of its proper divisors (57459506363).
311122012033 is an equidigital number, since it uses as much as digits as its factorization.
311122012033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3074 (or 3006 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 311122012033 its reverse (330210221113), we get a palindrome (641332233146).
The spelling of 311122012033 in words is "three hundred eleven billion, one hundred twenty-two million, twelve thousand, thirty-three".
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