Base | Representation |
---|---|
bin | 110100100001110010010000… |
… | …110010010000010001011011 |
3 | 1010021222022100001220201021000 |
4 | 310201302100302100101123 |
5 | 220240013211240311303 |
6 | 2135201103235120043 |
7 | 66442440120022332 |
oct | 6441622062202133 |
9 | 1107868301821230 |
10 | 231020130010203 |
11 | 676790a5787966 |
12 | 21ab12ba143023 |
13 | 9bba1492918b1 |
14 | 4109610aa2d19 |
15 | 1ba956c97bda3 |
hex | d21c90c9045b |
231020130010203 has 64 divisors (see below), whose sum is σ = 352627575465600. Its totient is φ = 149413684492800.
The previous prime is 231020130010067. The next prime is 231020130010249. The reversal of 231020130010203 is 302010031020132.
231020130010203 is a `hidden beast` number, since 2 + 310 + 20 + 1 + 300 + 10 + 20 + 3 = 666.
It is not a de Polignac number, because 231020130010203 - 217 = 231020129879131 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231020130010003) 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 in 63 ways as a sum of consecutive naturals, for example, 108354213 + ... + 110465721.
It is an arithmetic number, because the mean of its divisors is an integer number (5509805866650).
Almost surely, 2231020130010203 is an apocalyptic number.
231020130010203 is a deficient number, since it is larger than the sum of its proper divisors (121607445455397).
231020130010203 is a wasteful number, since it uses less digits than its factorization.
231020130010203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2112429 (or 2112423 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 231020130010203 its reverse (302010031020132), we get a palindrome (533030161030335).
The spelling of 231020130010203 in words is "two hundred thirty-one trillion, twenty billion, one hundred thirty million, ten thousand, two hundred three".
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