Base | Representation |
---|---|
bin | 10101001000000001… |
… | …101000000000000010 |
3 | 2011112211111001220000 |
4 | 111020001220000002 |
5 | 332423401101033 |
6 | 14230500100430 |
7 | 1432053130422 |
oct | 251001500002 |
9 | 64484431800 |
10 | 22683222018 |
11 | 96900a6486 |
12 | 4490694716 |
13 | 21a6568682 |
14 | 11527cc482 |
15 | 8cb5d9a13 |
hex | 548068002 |
22683222018 has 30 divisors (see below), whose sum is σ = 50831515449. Its totient is φ = 7560435024.
The previous prime is 22683222011. The next prime is 22683222019. The reversal of 22683222018 is 81022238622.
It can be written as a sum of positive squares in 2 ways, for example, as 16570640529 + 6112581489 = 128727^2 + 78183^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=106497.
It is a super-2 number, since 2×226832220182 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (22683222011) by changing a digit.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1911030 + ... + 1922862.
Almost surely, 222683222018 is an apocalyptic number.
22683222018 is an abundant number, since it is smaller than the sum of its proper divisors (28148293431).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22683222018 is an frugal number, since it uses more digits than its factorization.
22683222018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23680 (or 11838 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 36.
The spelling of 22683222018 in words is "twenty-two billion, six hundred eighty-three million, two hundred twenty-two thousand, eighteen".
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