Base | Representation |
---|---|
bin | 10010101010110000… |
… | …00010111000100101 |
3 | 221212110201122122112 |
4 | 21111120002320211 |
5 | 131011202114341 |
6 | 4334300410405 |
7 | 503235104042 |
oct | 112530027045 |
9 | 27773648575 |
10 | 10022301221 |
11 | 4283367279 |
12 | 1b38546a05 |
13 | c394c816a |
14 | 6b10ca1c9 |
15 | 3d9d15aeb |
hex | 255602e25 |
10022301221 has 24 divisors (see below), whose sum is σ = 10655624280. Its totient is φ = 9424521216.
The previous prime is 10022301187. The next prime is 10022301253. The reversal of 10022301221 is 12210322001.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1259469121 + 8762832100 = 35489^2 + 93610^2 .
It is not a de Polignac number, because 10022301221 - 214 = 10022284837 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10022301196 and 10022301205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10022301721) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8876585 + ... + 8877713.
It is an arithmetic number, because the mean of its divisors is an integer number (443984345).
Almost surely, 210022301221 is an apocalyptic number.
It is an amenable number.
10022301221 is a deficient number, since it is larger than the sum of its proper divisors (633323059).
10022301221 is a wasteful number, since it uses less digits than its factorization.
10022301221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1445 (or 1422 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 10022301221 its reverse (12210322001), we get a palindrome (22232623222).
The spelling of 10022301221 in words is "ten billion, twenty-two million, three hundred one thousand, two hundred twenty-one".
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