Base | Representation |
---|---|
bin | 1011101001001001000… |
… | …0001000111110011101 |
3 | 201010021220001120110211 |
4 | 2322102100020332131 |
5 | 11234121140401341 |
6 | 231520001532421 |
7 | 20310510435454 |
oct | 2722220107635 |
9 | 633256046424 |
10 | 200022200221 |
11 | 77913354598 |
12 | 32923044111 |
13 | 15b28ac2bbc |
14 | 997701db9b |
15 | 530a3ac181 |
hex | 2e92408f9d |
200022200221 has 8 divisors (see below), whose sum is σ = 208237480920. Its totient is φ = 191894783808.
The previous prime is 200022200167. The next prime is 200022200267. The reversal of 200022200221 is 122002220002.
It can be written as a sum of positive squares in 4 ways, for example, as 48554122500 + 151468077721 = 220350^2 + 389189^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 200022200221 - 225 = 199988645789 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200022200621) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21961426 + ... + 21970531.
It is an arithmetic number, because the mean of its divisors is an integer number (26029685115).
Almost surely, 2200022200221 is an apocalyptic number.
It is an amenable number.
200022200221 is a deficient number, since it is larger than the sum of its proper divisors (8215280699).
200022200221 is a wasteful number, since it uses less digits than its factorization.
200022200221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43932143.
The product of its (nonzero) digits is 64, while the sum is 13.
Adding to 200022200221 its reverse (122002220002), we get a palindrome (322024420223).
The spelling of 200022200221 in words is "two hundred billion, twenty-two million, two hundred thousand, two hundred twenty-one".
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