Base | Representation |
---|---|
bin | 10101101000001101… |
… | …100110001101100010 |
3 | 2012221110121101101220 |
4 | 111220031212031202 |
5 | 340030121400310 |
6 | 14400230235510 |
7 | 1451331131535 |
oct | 255015461542 |
9 | 65843541356 |
10 | 23223231330 |
11 | 99379aa472 |
12 | 46014b5b96 |
13 | 22613bb600 |
14 | 11a43daa1c |
15 | 90dc07670 |
hex | 568366362 |
23223231330 has 96 divisors (see below), whose sum is σ = 62977274496. Its totient is φ = 5467917312.
The previous prime is 23223231323. The next prime is 23223231359. The reversal of 23223231330 is 3313232232.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 23223231330.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17034 + ... + 216186.
It is an arithmetic number, because the mean of its divisors is an integer number (656013276).
Almost surely, 223223231330 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23223231330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31488637248).
23223231330 is an abundant number, since it is smaller than the sum of its proper divisors (39754043166).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23223231330 is a wasteful number, since it uses less digits than its factorization.
23223231330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 199212 (or 199199 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 24.
Adding to 23223231330 its reverse (3313232232), we get a palindrome (26536463562).
The spelling of 23223231330 in words is "twenty-three billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred thirty".
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