Base | Representation |
---|---|
bin | 110100100100100101000011… |
… | …110000000110111010111111 |
3 | 1010022122122212120021002111120 |
4 | 310210211003300012322333 |
5 | 220301134400422132203 |
6 | 2135425213312522023 |
7 | 66462344440433622 |
oct | 6444450360067277 |
9 | 1108578776232446 |
10 | 231212111130303 |
11 | 67742562055996 |
12 | 21b22558250313 |
13 | 9c0229318a304 |
14 | 4114a23ba3db9 |
15 | 1bae556e26b53 |
hex | d24943c06ebf |
231212111130303 has 8 divisors (see below), whose sum is σ = 308295330988416. Its totient is φ = 154135149346200.
The previous prime is 231212111130179. The next prime is 231212111130313. The reversal of 231212111130303 is 303031111212132.
231212111130303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 231212111130303 - 218 = 231212110868159 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231212111130313) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1564432293 + ... + 1564580078.
It is an arithmetic number, because the mean of its divisors is an integer number (38536916373552).
Almost surely, 2231212111130303 is an apocalyptic number.
231212111130303 is a deficient number, since it is larger than the sum of its proper divisors (77083219858113).
231212111130303 is a wasteful number, since it uses less digits than its factorization.
231212111130303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3129037005.
The product of its (nonzero) digits is 648, while the sum is 24.
Adding to 231212111130303 its reverse (303031111212132), we get a palindrome (534243222342435).
The spelling of 231212111130303 in words is "two hundred thirty-one trillion, two hundred twelve billion, one hundred eleven million, one hundred thirty thousand, three hundred three".
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