Base | Representation |
---|---|
bin | 1100001110011000101… |
… | …1001001011110111000 |
3 | 202002002122220010112020 |
4 | 3003212023021132320 |
5 | 11420110122043222 |
6 | 240252031514440 |
7 | 21113331333303 |
oct | 3034613113670 |
9 | 662078803466 |
10 | 210020112312 |
11 | 8108397295a |
12 | 34853388a20 |
13 | 16a6022bc0a |
14 | a244b9bb3a |
15 | 56e2ea665c |
hex | 30e62c97b8 |
210020112312 has 32 divisors (see below), whose sum is σ = 525476878080. Its totient is φ = 69949824480.
The previous prime is 210020112277. The next prime is 210020112319. The reversal of 210020112312 is 213211020012.
210020112312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 210020112291 and 210020112300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210020112319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3524818 + ... + 3583905.
It is an arithmetic number, because the mean of its divisors is an integer number (16421152440).
Almost surely, 2210020112312 is an apocalyptic number.
It is an amenable number.
210020112312 is an abundant number, since it is smaller than the sum of its proper divisors (315456765768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210020112312 is a wasteful number, since it uses less digits than its factorization.
210020112312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7109963 (or 7109959 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 210020112312 its reverse (213211020012), we get a palindrome (423231132324).
The spelling of 210020112312 in words is "two hundred ten billion, twenty million, one hundred twelve thousand, three hundred twelve".
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