Base | Representation |
---|---|
bin | 1101011100111100110… |
… | …0010001010000101000 |
3 | 211002112102001021001200 |
4 | 3113033030101100220 |
5 | 12241302444214244 |
6 | 254100431444200 |
7 | 22461051130320 |
oct | 3271714212050 |
9 | 732472037050 |
10 | 231109366824 |
11 | 8a016237a16 |
12 | 3895a086660 |
13 | 18a4149453b |
14 | b2859c6280 |
15 | 6029684669 |
hex | 35cf311428 |
231109366824 has 192 divisors, whose sum is σ = 727586496000. Its totient is φ = 64909873152.
The previous prime is 231109366771. The next prime is 231109366913. The reversal of 231109366824 is 428663901132.
It is a self number, because there is not a number n which added to its sum of digits gives 231109366824.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 7268449 + ... + 7300175.
It is an arithmetic number, because the mean of its divisors is an integer number (3789513000).
Almost surely, 2231109366824 is an apocalyptic number.
231109366824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231109366824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363793248000).
231109366824 is an abundant number, since it is smaller than the sum of its proper divisors (496477129176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231109366824 is a wasteful number, since it uses less digits than its factorization.
231109366824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31992 (or 31985 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 45.
The spelling of 231109366824 in words is "two hundred thirty-one billion, one hundred nine million, three hundred sixty-six thousand, eight hundred twenty-four".
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