Base | Representation |
---|---|
bin | 10100101101000110… |
… | …010001001000001000 |
3 | 2010101100101212222012 |
4 | 110231012101020020 |
5 | 331012223013331 |
6 | 14114001115052 |
7 | 1414626146216 |
oct | 245506211010 |
9 | 63340355865 |
10 | 22231454216 |
11 | 9479092664 |
12 | 4385328a88 |
13 | 2133aa014a |
14 | 110c7cdcb6 |
15 | 8a1aec82b |
hex | 52d191208 |
22231454216 has 16 divisors (see below), whose sum is σ = 41686616400. Its totient is φ = 11115023184.
The previous prime is 22231454213. The next prime is 22231454221. The reversal of 22231454216 is 61245413222.
It is not an unprimeable number, because it can be changed into a prime (22231454213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61091 + ... + 219533.
It is an arithmetic number, because the mean of its divisors is an integer number (2605413525).
Almost surely, 222231454216 is an apocalyptic number.
It is an amenable number.
22231454216 is a deficient number, since it is larger than the sum of its proper divisors (19455162184).
22231454216 is a wasteful number, since it uses less digits than its factorization.
22231454216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175988 (or 175984 counting only the distinct ones).
The product of its digits is 23040, while the sum is 32.
Adding to 22231454216 its reverse (61245413222), we get a palindrome (83476867438).
The spelling of 22231454216 in words is "twenty-two billion, two hundred thirty-one million, four hundred fifty-four thousand, two hundred sixteen".
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