Base | Representation |
---|---|
bin | 11101001000100001000… |
… | …110111010111010001101 |
3 | 21002101112112102201102221 |
4 | 131020201012322322031 |
5 | 230300104104102341 |
6 | 4131413311015341 |
7 | 264432452053162 |
oct | 35104106727215 |
9 | 7071475381387 |
10 | 2002010222221 |
11 | 70205863a569 |
12 | 28400520a551 |
13 | 116a33b7a489 |
14 | 6cc7d84a069 |
15 | 3712470ded1 |
hex | 1d2211bae8d |
2002010222221 has 32 divisors (see below), whose sum is σ = 2123776972800. Its totient is φ = 1884542197440.
The previous prime is 2002010222207. The next prime is 2002010222257. The reversal of 2002010222221 is 1222220102002.
It is not a de Polignac number, because 2002010222221 - 223 = 2002001833613 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2002010222195 and 2002010222204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2002010222521) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55855776 + ... + 55891606.
It is an arithmetic number, because the mean of its divisors is an integer number (66368030400).
Almost surely, 22002010222221 is an apocalyptic number.
It is an amenable number.
2002010222221 is a deficient number, since it is larger than the sum of its proper divisors (121766750579).
2002010222221 is a wasteful number, since it uses less digits than its factorization.
2002010222221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36249.
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 2002010222221 its reverse (1222220102002), we get a palindrome (3224230324223).
The spelling of 2002010222221 in words is "two trillion, two billion, ten million, two hundred twenty-two thousand, two hundred twenty-one".
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