Base | Representation |
---|---|
bin | 110100101001011010000111… |
… | …110100100011001101000000 |
3 | 1010100211101110002001020010001 |
4 | 310221122013310203031000 |
5 | 220322104020200032300 |
6 | 2140241455050245344 |
7 | 66525333214216522 |
oct | 6451320764431500 |
9 | 1110741402036101 |
10 | 231543965627200 |
11 | 67860276292186 |
12 | 21b76931726854 |
13 | 9c2766b642245 |
14 | 4126b05771a12 |
15 | 1bb7ecae3016a |
hex | d29687d23340 |
231543965627200 has 336 divisors, whose sum is σ = 599337286677360. Its totient is φ = 87915921408000.
The previous prime is 231543965627189. The next prime is 231543965627203. The reversal of 231543965627200 is 2726569345132.
It can be written as a sum of positive squares in 24 ways, for example, as 228886883064064 + 2657082563136 = 15129008^2 + 1630056^2 .
It is a super-2 number, since 2×2315439656272002 (a number of 30 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231543965627203) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6286299984 + ... + 6286336816.
It is an arithmetic number, because the mean of its divisors is an integer number (1783741924635).
Almost surely, 2231543965627200 is an apocalyptic number.
231543965627200 is a gapful number since it is divisible by the number (20) 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 231543965627200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299668643338680).
231543965627200 is an abundant number, since it is smaller than the sum of its proper divisors (367793321050160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231543965627200 is a wasteful number, since it uses less digits than its factorization.
231543965627200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39166 (or 39151 counting only the distinct ones).
The product of its (nonzero) digits is 16329600, while the sum is 55.
The spelling of 231543965627200 in words is "two hundred thirty-one trillion, five hundred forty-three billion, nine hundred sixty-five million, six hundred twenty-seven thousand, two hundred".
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