Base | Representation |
---|---|
bin | 10100100000000001… |
… | …100000010111011001 |
3 | 2002211001122122102221 |
4 | 110200001200113121 |
5 | 330040044231410 |
6 | 14040123424041 |
7 | 1406323531540 |
oct | 244001402731 |
9 | 62731578387 |
10 | 22012102105 |
11 | 9376292124 |
12 | 4323985021 |
13 | 20ca4cb5b6 |
14 | 10cb611157 |
15 | 88c71e4da |
hex | 5200605d9 |
22012102105 has 16 divisors (see below), whose sum is σ = 30486921984. Its totient is φ = 14944564800.
The previous prime is 22012102051. The next prime is 22012102111. The reversal of 22012102105 is 50120121022.
It is a happy number.
It is not a de Polignac number, because 22012102105 - 213 = 22012093913 is a prime.
It is a Duffinian number.
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, 3109917 + ... + 3116986.
It is an arithmetic number, because the mean of its divisors is an integer number (1905432624).
Almost surely, 222012102105 is an apocalyptic number.
It is an amenable number.
22012102105 is a deficient number, since it is larger than the sum of its proper divisors (8474819879).
22012102105 is a wasteful number, since it uses less digits than its factorization.
22012102105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6227016.
The product of its (nonzero) digits is 80, while the sum is 16.
Adding to 22012102105 its reverse (50120121022), we get a palindrome (72132223127).
The spelling of 22012102105 in words is "twenty-two billion, twelve million, one hundred two thousand, one hundred five".
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