Base | Representation |
---|---|
bin | 100100011011011… |
… | …0010000000000010 |
3 | 10011012000021222221 |
4 | 1020312302000002 |
5 | 10000403221010 |
6 | 321142321254 |
7 | 42201356353 |
oct | 11066620002 |
9 | 3135007887 |
10 | 1222320130 |
11 | 577a71229 |
12 | 2a142922a |
13 | 16630a965 |
14 | b849dd2a |
15 | 72498dda |
hex | 48db2002 |
1222320130 has 32 divisors (see below), whose sum is σ = 2292494400. Its totient is φ = 468656832.
The previous prime is 1222320083. The next prime is 1222320157. The reversal of 1222320130 is 310232221.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25149 + ... + 55471.
It is an arithmetic number, because the mean of its divisors is an integer number (71640450).
Almost surely, 21222320130 is an apocalyptic number.
1222320130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1222320130 is a deficient number, since it is larger than the sum of its proper divisors (1070174270).
1222320130 is a wasteful number, since it uses less digits than its factorization.
1222320130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30498.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1222320130 is about 34961.6951820131. The cubic root of 1222320130 is about 1069.2066585598.
Adding to 1222320130 its reverse (310232221), we get a palindrome (1532552351).
The spelling of 1222320130 in words is "one billion, two hundred twenty-two million, three hundred twenty thousand, one hundred thirty".
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