Base | Representation |
---|---|
bin | 10010110101010101… |
… | …001100001000100101 |
3 | 1221012022110010011212 |
4 | 102311111030020211 |
5 | 312403324200010 |
6 | 13142341441205 |
7 | 1314060004532 |
oct | 226525141045 |
9 | 57168403155 |
10 | 20222100005 |
11 | 8637937048 |
12 | 3b04410205 |
13 | 1ba36cc163 |
14 | d9b9bbd89 |
15 | 7d54dd505 |
hex | 4b554c225 |
20222100005 has 8 divisors (see below), whose sum is σ = 24285180024. Its totient is φ = 16165240000.
The previous prime is 20222100001. The next prime is 20222100029. The reversal of 20222100005 is 50000122202.
It can be written as a sum of positive squares in 4 ways, for example, as 3059527969 + 17162572036 = 55313^2 + 131006^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20222100005 - 22 = 20222100001 is a prime.
It is a super-2 number, since 2×202221000052 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20222100001) 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, 1547846 + ... + 1560855.
It is an arithmetic number, because the mean of its divisors is an integer number (3035647503).
Almost surely, 220222100005 is an apocalyptic number.
It is an amenable number.
20222100005 is a deficient number, since it is larger than the sum of its proper divisors (4063080019).
20222100005 is a wasteful number, since it uses less digits than its factorization.
20222100005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3110007.
The product of its (nonzero) digits is 80, while the sum is 14.
Adding to 20222100005 its reverse (50000122202), we get a palindrome (70222222207).
The spelling of 20222100005 in words is "twenty billion, two hundred twenty-two million, one hundred thousand, five".
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