Base | Representation |
---|---|
bin | 10011100101000000… |
… | …101100010011101010 |
3 | 2000021001122221010122 |
4 | 103211000230103222 |
5 | 321023120030010 |
6 | 13353555043242 |
7 | 1342642222220 |
oct | 234500542352 |
9 | 60231587118 |
10 | 21022033130 |
11 | 8a084316aa |
12 | 40a82a0522 |
13 | 1ca035a777 |
14 | 1035d2ab10 |
15 | 830850855 |
hex | 4e502c4ea |
21022033130 has 16 divisors (see below), whose sum is σ = 43245325440. Its totient is φ = 7207554192.
The previous prime is 21022033099. The next prime is 21022033139. The reversal of 21022033130 is 3133022012.
It is a junction number, because it is equal to n+sod(n) for n = 21022033099 and 21022033108.
It is not an unprimeable number, because it can be changed into a prime (21022033139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150157310 + ... + 150157449.
It is an arithmetic number, because the mean of its divisors is an integer number (2702832840).
Almost surely, 221022033130 is an apocalyptic number.
21022033130 is an abundant number, since it is smaller than the sum of its proper divisors (22223292310).
21022033130 is a wasteful number, since it uses less digits than its factorization.
21022033130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 300314773.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 21022033130 its reverse (3133022012), we get a palindrome (24155055142).
The spelling of 21022033130 in words is "twenty-one billion, twenty-two million, thirty-three thousand, one hundred thirty".
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