Base | Representation |
---|---|
bin | 1001000011101011000… |
… | …11111100011011001010 |
3 | 1002202021202112010201220 |
4 | 10201311203330123022 |
5 | 20044324230031442 |
6 | 354545022222510 |
7 | 31325034241305 |
oct | 4416543743312 |
9 | 1082252463656 |
10 | 311210002122 |
11 | 10aa8aa29868 |
12 | 50393724a36 |
13 | 23468403066 |
14 | 110c3c79b3c |
15 | 81668d0eec |
hex | 48758fc6ca |
311210002122 has 16 divisors (see below), whose sum is σ = 630946306560. Its totient is φ = 102315616992.
The previous prime is 311210002079. The next prime is 311210002139. The reversal of 311210002122 is 221200012113.
311210002122 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355262122 + ... + 355262997.
It is an arithmetic number, because the mean of its divisors is an integer number (39434144160).
Almost surely, 2311210002122 is an apocalyptic number.
311210002122 is an abundant number, since it is smaller than the sum of its proper divisors (319736304438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
311210002122 is a wasteful number, since it uses less digits than its factorization.
311210002122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 710525197.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 311210002122 its reverse (221200012113), we get a palindrome (532410014235).
Subtracting from 311210002122 its reverse (221200012113), we obtain a palindrome (90009990009).
The spelling of 311210002122 in words is "three hundred eleven billion, two hundred ten million, two thousand, one hundred twenty-two".
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