Base | Representation |
---|---|
bin | 10100011111011100… |
… | …101010000110100100 |
3 | 2002210101110220011201 |
4 | 110133130222012210 |
5 | 330030111131120 |
6 | 14035140412244 |
7 | 1406145451102 |
oct | 243734520644 |
9 | 62711426151 |
10 | 22002442660 |
11 | 9370894910 |
12 | 43206a7084 |
13 | 20c84c8a53 |
14 | 10ca218c72 |
15 | 88b96240a |
hex | 51f72a1a4 |
22002442660 has 48 divisors (see below), whose sum is σ = 50802554880. Its totient is φ = 7937879040.
The previous prime is 22002442621. The next prime is 22002442669. The reversal of 22002442660 is 6624420022.
It is not an unprimeable number, because it can be changed into a prime (22002442669) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365805 + ... + 421684.
It is an arithmetic number, because the mean of its divisors is an integer number (1058386560).
Almost surely, 222002442660 is an apocalyptic number.
22002442660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22002442660 is an abundant number, since it is smaller than the sum of its proper divisors (28800112220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22002442660 is a wasteful number, since it uses less digits than its factorization.
22002442660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 787636 (or 787634 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 28.
Adding to 22002442660 its reverse (6624420022), we get a palindrome (28626862682).
The spelling of 22002442660 in words is "twenty-two billion, two million, four hundred forty-two thousand, six hundred sixty".
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