Base | Representation |
---|---|
bin | 10101011100000111… |
… | …001011101001011001 |
3 | 2012102022121111102021 |
4 | 111130013023221121 |
5 | 334121134114230 |
6 | 14324135134441 |
7 | 1443314444650 |
oct | 253407135131 |
9 | 65368544367 |
10 | 23020223065 |
11 | 9843352344 |
12 | 4565514421 |
13 | 222b31cc88 |
14 | 1185474197 |
15 | 8eaea6c7a |
hex | 55c1cba59 |
23020223065 has 16 divisors (see below), whose sum is σ = 31573060992. Its totient is φ = 15784061184.
The previous prime is 23020223047. The next prime is 23020223069. The reversal of 23020223065 is 56032202032.
It is a cyclic number.
It is not a de Polignac number, because 23020223065 - 213 = 23020214873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23020223069) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817297 + ... + 844993.
It is an arithmetic number, because the mean of its divisors is an integer number (1973316312).
Almost surely, 223020223065 is an apocalyptic number.
It is an amenable number.
23020223065 is a deficient number, since it is larger than the sum of its proper divisors (8552837927).
23020223065 is a wasteful number, since it uses less digits than its factorization.
23020223065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51456.
The product of its (nonzero) digits is 4320, while the sum is 25.
Adding to 23020223065 its reverse (56032202032), we get a palindrome (79052425097).
The spelling of 23020223065 in words is "twenty-three billion, twenty million, two hundred twenty-three thousand, sixty-five".
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