Base | Representation |
---|---|
bin | 10101000111111001… |
… | …000110010111000000 |
3 | 2011112200021112010020 |
4 | 111013321012113000 |
5 | 332422313041242 |
6 | 14230340133440 |
7 | 1432025131512 |
oct | 250771062700 |
9 | 64480245106 |
10 | 22680987072 |
11 | 968990a317 |
12 | 448b997280 |
13 | 21a5c65313 |
14 | 11523a9bb2 |
15 | 8cb2e76ec |
hex | 547e465c0 |
22680987072 has 56 divisors (see below), whose sum is σ = 60105535872. Its totient is φ = 7548307200.
The previous prime is 22680987067. The next prime is 22680987089. The reversal of 22680987072 is 27078908622.
It is a super-2 number, since 2×226809870722 (a number of 22 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 7 ways as a sum of consecutive naturals, for example, 27547 + ... + 214757.
Almost surely, 222680987072 is an apocalyptic number.
It is an amenable number.
22680987072 is an abundant number, since it is smaller than the sum of its proper divisors (37424548800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22680987072 is a wasteful number, since it uses less digits than its factorization.
22680987072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187857 (or 187847 counting only the distinct ones).
The product of its (nonzero) digits is 1354752, while the sum is 51.
The spelling of 22680987072 in words is "twenty-two billion, six hundred eighty million, nine hundred eighty-seven thousand, seventy-two".
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