Base | Representation |
---|---|
bin | 10101000111001001… |
… | …111101000111101100 |
3 | 2011111211000122021212 |
4 | 111013021331013230 |
5 | 332411132102320 |
6 | 14225215213552 |
7 | 1431515106542 |
oct | 250711750754 |
9 | 64454018255 |
10 | 22668628460 |
11 | 9682939095 |
12 | 44878172b8 |
13 | 21a352902a |
14 | 11508add92 |
15 | 8ca1a59c5 |
hex | 54727d1ec |
22668628460 has 96 divisors (see below), whose sum is σ = 48952366848. Its totient is φ = 8814919680.
The previous prime is 22668628441. The next prime is 22668628469. The reversal of 22668628460 is 6482686622.
It is a junction number, because it is equal to n+sod(n) for n = 22668628399 and 22668628408.
It is not an unprimeable number, because it can be changed into a prime (22668628469) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61767197 + ... + 61767563.
It is an arithmetic number, because the mean of its divisors is an integer number (509920488).
Almost surely, 222668628460 is an apocalyptic number.
22668628460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22668628460 is an abundant number, since it is smaller than the sum of its proper divisors (26283738388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22668628460 is a wasteful number, since it uses less digits than its factorization.
22668628460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 891 (or 889 counting only the distinct ones).
The product of its (nonzero) digits is 2654208, while the sum is 50.
The spelling of 22668628460 in words is "twenty-two billion, six hundred sixty-eight million, six hundred twenty-eight thousand, four hundred sixty".
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