Base | Representation |
---|---|
bin | 1101011101011001110… |
… | …1000100001000111100 |
3 | 211002211220022112112112 |
4 | 3113112131010020330 |
5 | 12242030142210134 |
6 | 254120503153152 |
7 | 22464060566342 |
oct | 3272635041074 |
9 | 732756275475 |
10 | 231231210044 |
11 | 8a078a9859a |
12 | 38992a457b8 |
13 | 18a607b5413 |
14 | b297c61992 |
15 | 60352011ce |
hex | 35d674423c |
231231210044 has 6 divisors (see below), whose sum is σ = 404654617584. Its totient is φ = 115615605020.
The previous prime is 231231210017. The next prime is 231231210047. The reversal of 231231210044 is 440012132132.
231231210044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231231210047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28903901252 + ... + 28903901259.
It is an arithmetic number, because the mean of its divisors is an integer number (67442436264).
Almost surely, 2231231210044 is an apocalyptic number.
It is an amenable number.
231231210044 is a deficient number, since it is larger than the sum of its proper divisors (173423407540).
231231210044 is a wasteful number, since it uses less digits than its factorization.
231231210044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57807802515 (or 57807802513 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 231231210044 its reverse (440012132132), we get a palindrome (671243342176).
The spelling of 231231210044 in words is "two hundred thirty-one billion, two hundred thirty-one million, two hundred ten thousand, forty-four".
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