Base | Representation |
---|---|
bin | 10100101100010100… |
… | …000010011110101000 |
3 | 2010100102121220222010 |
4 | 110230110002132220 |
5 | 331000340141031 |
6 | 14112410555520 |
7 | 1414406215662 |
oct | 245424023650 |
9 | 63312556863 |
10 | 22218287016 |
11 | 9471709982 |
12 | 4380a38ba0 |
13 | 213113cac3 |
14 | 110ab63532 |
15 | 8a089b246 |
hex | 52c5027a8 |
22218287016 has 64 divisors (see below), whose sum is σ = 57577881600. Its totient is φ = 7137144000.
The previous prime is 22218287011. The next prime is 22218287033. The reversal of 22218287016 is 61078281222.
It is not an unprimeable number, because it can be changed into a prime (22218287011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115341 + ... + 240291.
It is an arithmetic number, because the mean of its divisors is an integer number (899654400).
Almost surely, 222218287016 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22218287016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28788940800).
22218287016 is an abundant number, since it is smaller than the sum of its proper divisors (35359594584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22218287016 is a wasteful number, since it uses less digits than its factorization.
22218287016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125230 (or 125226 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 39.
The spelling of 22218287016 in words is "twenty-two billion, two hundred eighteen million, two hundred eighty-seven thousand, sixteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •