Base | Representation |
---|---|
bin | 111100111011000… |
… | …010101000001101 |
3 | 2122020021120122010 |
4 | 330323002220031 |
5 | 4043130011341 |
6 | 245231211433 |
7 | 34220536116 |
oct | 7473025015 |
9 | 2566246563 |
10 | 1022110221 |
11 | 484a555a0 |
12 | 246376b79 |
13 | 1339abc62 |
14 | 99a6520d |
15 | 5eaec716 |
hex | 3cec2a0d |
1022110221 has 16 divisors (see below), whose sum is σ = 1487305728. Its totient is φ = 619210800.
The previous prime is 1022110213. The next prime is 1022110241. The reversal of 1022110221 is 1220112201.
1022110221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1022110221 - 23 = 1022110213 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1022110197 and 1022110206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1022110211) 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, 107886 + ... + 116976.
It is an arithmetic number, because the mean of its divisors is an integer number (92956608).
Almost surely, 21022110221 is an apocalyptic number.
1022110221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1022110221 is a deficient number, since it is larger than the sum of its proper divisors (465195507).
1022110221 is a wasteful number, since it uses less digits than its factorization.
1022110221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12512.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 1022110221 is about 31970.4585672461. The cubic root of 1022110221 is about 1007.3164132154.
Adding to 1022110221 its reverse (1220112201), we get a palindrome (2242222422).
The spelling of 1022110221 in words is "one billion, twenty-two million, one hundred ten thousand, two hundred twenty-one".
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