Base | Representation |
---|---|
bin | 10101000101110111… |
… | …101110111100111101 |
3 | 2011110022110120222112 |
4 | 111011313232330331 |
5 | 332340122341441 |
6 | 14223125223405 |
7 | 1431133646423 |
oct | 250567567475 |
9 | 64408416875 |
10 | 22647074621 |
11 | 96717573a6 |
12 | 4480561b65 |
13 | 219bc20592 |
14 | 114ba9d113 |
15 | 8c83494eb |
hex | 545deef3d |
22647074621 has 8 divisors (see below), whose sum is σ = 22881493440. Its totient is φ = 22413077568.
The previous prime is 22647074609. The next prime is 22647074629. The reversal of 22647074621 is 12647074622.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22647074621 - 214 = 22647058237 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22647074629) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3080 + ... + 212846.
It is an arithmetic number, because the mean of its divisors is an integer number (2860186680).
Almost surely, 222647074621 is an apocalyptic number.
It is an amenable number.
22647074621 is a deficient number, since it is larger than the sum of its proper divisors (234418819).
22647074621 is a wasteful number, since it uses less digits than its factorization.
22647074621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210883.
The product of its (nonzero) digits is 225792, while the sum is 41.
Subtracting from 22647074621 its reverse (12647074622), we obtain a palindrome (9999999999).
The spelling of 22647074621 in words is "twenty-two billion, six hundred forty-seven million, seventy-four thousand, six hundred twenty-one".
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