Base | Representation |
---|---|
bin | 10101011100101100… |
… | …111110011000101110 |
3 | 2012110000020211111000 |
4 | 111130230332120232 |
5 | 334131203131342 |
6 | 14325131341130 |
7 | 1443464606541 |
oct | 253454763056 |
9 | 65400224430 |
10 | 23030130222 |
11 | 98489a9780 |
12 | 45688b17a6 |
13 | 22303ab4b8 |
14 | 11868d2858 |
15 | 8ebcb244c |
hex | 55cb3e62e |
23030130222 has 64 divisors (see below), whose sum is σ = 55877817600. Its totient is φ = 6972927840.
The previous prime is 23030130203. The next prime is 23030130247. The reversal of 23030130222 is 22203103032.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 23030130195 and 23030130204.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 714253 + ... + 745799.
It is an arithmetic number, because the mean of its divisors is an integer number (873090900).
Almost surely, 223030130222 is an apocalyptic number.
23030130222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 23030130222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27938908800).
23030130222 is an abundant number, since it is smaller than the sum of its proper divisors (32847687378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23030130222 is a wasteful number, since it uses less digits than its factorization.
23030130222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32798 (or 32792 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 23030130222 its reverse (22203103032), we get a palindrome (45233233254).
The spelling of 23030130222 in words is "twenty-three billion, thirty million, one hundred thirty thousand, two hundred twenty-two".
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