Base | Representation |
---|---|
bin | 1011101001111000001… |
… | …1001001110001101101 |
3 | 201010210200111001102021 |
4 | 2322132003021301231 |
5 | 11240022322402341 |
6 | 231551352030141 |
7 | 20315432646520 |
oct | 2723603116155 |
9 | 633720431367 |
10 | 200220122221 |
11 | 77a05048299 |
12 | 32979392351 |
13 | 15b5ab00402 |
14 | 9995420bb7 |
15 | 531c9559d1 |
hex | 2e9e0c9c6d |
200220122221 has 8 divisors (see below), whose sum is σ = 228832923200. Its totient is φ = 171609802848.
The previous prime is 200220122203. The next prime is 200220122239. The reversal of 200220122221 is 122221022002.
It is an interprime number because it is at equal distance from previous prime (200220122203) and next prime (200220122239).
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 200220122221 - 27 = 200220122093 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 200220122195 and 200220122204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200220122281) 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, 444171 + ... + 773128.
It is an arithmetic number, because the mean of its divisors is an integer number (28604115400).
Almost surely, 2200220122221 is an apocalyptic number.
It is an amenable number.
200220122221 is a deficient number, since it is larger than the sum of its proper divisors (28612800979).
200220122221 is a wasteful number, since it uses less digits than its factorization.
200220122221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1240803.
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 200220122221 its reverse (122221022002), we get a palindrome (322441144223).
The spelling of 200220122221 in words is "two hundred billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twenty-one".
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