Base | Representation |
---|---|
bin | 10100101100011110… |
… | …100000001001110101 |
3 | 2010100121210021122022 |
4 | 110230132200021311 |
5 | 331002040430010 |
6 | 14112545442525 |
7 | 1414441432016 |
oct | 245436401165 |
9 | 63317707568 |
10 | 22221030005 |
11 | 9473212809 |
12 | 4381940445 |
13 | 2131890485 |
14 | 110b27900d |
15 | 8a0c3dd55 |
hex | 52c7a0275 |
22221030005 has 16 divisors (see below), whose sum is σ = 28075828800. Its totient is φ = 16836906240.
The previous prime is 22221029959. The next prime is 22221030037. The reversal of 22221030005 is 50003012222.
It is not a de Polignac number, because 22221030005 - 228 = 21952594549 is a prime.
It is a super-2 number, since 2×222210300052 (a number of 21 digits) contains 22 as substring.
It is a congruent 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, 373085 + ... + 428525.
It is an arithmetic number, because the mean of its divisors is an integer number (1754739300).
Almost surely, 222221030005 is an apocalyptic number.
It is an amenable number.
22221030005 is a deficient number, since it is larger than the sum of its proper divisors (5854798795).
22221030005 is a wasteful number, since it uses less digits than its factorization.
22221030005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59684.
The product of its (nonzero) digits is 240, while the sum is 17.
Adding to 22221030005 its reverse (50003012222), we get a palindrome (72224042227).
The spelling of 22221030005 in words is "twenty-two billion, two hundred twenty-one million, thirty thousand, five".
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