Base | Representation |
---|---|
bin | 11101101111110110011… |
… | …10000010011001101101 |
3 | 10121201021102212222111221 |
4 | 32313323032002121231 |
5 | 113221301213311341 |
6 | 2101320101543341 |
7 | 133563064510444 |
oct | 16677316023155 |
9 | 3551242788457 |
10 | 1022122010221 |
11 | 364530256674 |
12 | 146116714b51 |
13 | 75502499710 |
14 | 376844a7d5b |
15 | 1b8c3945ed1 |
hex | edfb38266d |
1022122010221 has 16 divisors (see below), whose sum is σ = 1116600484608. Its totient is φ = 929916691200.
The previous prime is 1022122010213. The next prime is 1022122010233. The reversal of 1022122010221 is 1220102212201.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1022122010221 - 23 = 1022122010213 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1022122010195 and 1022122010204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1022122011221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2797176 + ... + 3141406.
It is an arithmetic number, because the mean of its divisors is an integer number (69787530288).
Almost surely, 21022122010221 is an apocalyptic number.
It is an amenable number.
1022122010221 is a deficient number, since it is larger than the sum of its proper divisors (94478474387).
1022122010221 is a wasteful number, since it uses less digits than its factorization.
1022122010221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 347532.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1022122010221 its reverse (1220102212201), we get a palindrome (2242224222422).
The spelling of 1022122010221 in words is "one trillion, twenty-two billion, one hundred twenty-two million, ten thousand, two hundred twenty-one".
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