Base | Representation |
---|---|
bin | 1011111100010101111010… |
… | …0011001111100110110111 |
3 | 1201111100011222002201220200 |
4 | 2333011132203033212313 |
5 | 3210120401114234033 |
6 | 43532234143331543 |
7 | 2523463613411055 |
oct | 277053643174667 |
9 | 51440158081820 |
10 | 13131301321143 |
11 | 4202a54299745 |
12 | 1580b262b0bb3 |
13 | 74337933b355 |
14 | 3357b62771d5 |
15 | 17b89689c013 |
hex | bf15e8cf9b7 |
13131301321143 has 24 divisors (see below), whose sum is σ = 20157825402000. Its totient is φ = 8208618687744.
The previous prime is 13131301321129. The next prime is 13131301321163. The reversal of 13131301321143 is 34112310313131.
13131301321143 is a `hidden beast` number, since 1 + 3 + 1 + 31 + 301 + 321 + 1 + 4 + 3 = 666.
It is not a de Polignac number, because 13131301321143 - 212 = 13131301317047 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13131301321163) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159485793 + ... + 159568106.
It is an arithmetic number, because the mean of its divisors is an integer number (839909391750).
Almost surely, 213131301321143 is an apocalyptic number.
13131301321143 is a deficient number, since it is larger than the sum of its proper divisors (7026524080857).
13131301321143 is a wasteful number, since it uses less digits than its factorization.
13131301321143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 319054191 (or 319054188 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
Adding to 13131301321143 its reverse (34112310313131), we get a palindrome (47243611634274).
The spelling of 13131301321143 in words is "thirteen trillion, one hundred thirty-one billion, three hundred one million, three hundred twenty-one thousand, one hundred forty-three".
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