Base | Representation |
---|---|
bin | 1100010101111000101… |
… | …0111011010100100110 |
3 | 202021021222002200121110 |
4 | 3011132022323110212 |
5 | 11433221012221410 |
6 | 241223505525450 |
7 | 21214245325164 |
oct | 3053612732446 |
9 | 667258080543 |
10 | 212033320230 |
11 | 81a17310856 |
12 | 35115643886 |
13 | 16cc134bcc4 |
14 | a3962d4234 |
15 | 57aeac7720 |
hex | 315e2bb526 |
212033320230 has 128 divisors (see below), whose sum is σ = 537236582400. Its totient is φ = 53452738944.
The previous prime is 212033320217. The next prime is 212033320231. The reversal of 212033320230 is 32023330212.
It is a junction number, because it is equal to n+sod(n) for n = 212033320197 and 212033320206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212033320231) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21766701 + ... + 21776439.
It is an arithmetic number, because the mean of its divisors is an integer number (4197160800).
Almost surely, 2212033320230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212033320230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268618291200).
212033320230 is an abundant number, since it is smaller than the sum of its proper divisors (325203262170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212033320230 is a wasteful number, since it uses less digits than its factorization.
212033320230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10138.
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 212033320230 its reverse (32023330212), we get a palindrome (244056650442).
It can be divided in two parts, 21203 and 3320230, that added together give a palindrome (3341433).
The spelling of 212033320230 in words is "two hundred twelve billion, thirty-three million, three hundred twenty thousand, two hundred thirty".
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