Base | Representation |
---|---|
bin | 110100100011011000110011… |
… | …010100101000000110111011 |
3 | 1010022100211112012120012101122 |
4 | 310203120303110220012323 |
5 | 220243314203131041443 |
6 | 2135323432355535455 |
7 | 66453415406654510 |
oct | 6443306324500673 |
9 | 1108324465505348 |
10 | 231130231112123 |
11 | 67710864a01382 |
12 | 21b0a7068ba58b |
13 | 9bc76446c9a05 |
14 | 4110a97483307 |
15 | 1bac363895968 |
hex | d236335281bb |
231130231112123 has 32 divisors (see below), whose sum is σ = 268284249169920. Its totient is φ = 195033366000000.
The previous prime is 231130231112117. The next prime is 231130231112159. The reversal of 231130231112123 is 321211132031132.
It is a cyclic number.
It is not a de Polignac number, because 231130231112123 - 214 = 231130231095739 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 231130231112092 and 231130231112101.
It is not an unprimeable number, because it can be changed into a prime (231130231112323) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293852873 + ... + 294638373.
It is an arithmetic number, because the mean of its divisors is an integer number (8383882786560).
Almost surely, 2231130231112123 is an apocalyptic number.
231130231112123 is a deficient number, since it is larger than the sum of its proper divisors (37154018057797).
231130231112123 is a wasteful number, since it uses less digits than its factorization.
231130231112123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 787979.
The product of its (nonzero) digits is 1296, while the sum is 26.
Adding to 231130231112123 its reverse (321211132031132), we get a palindrome (552341363143255).
The spelling of 231130231112123 in words is "two hundred thirty-one trillion, one hundred thirty billion, two hundred thirty-one million, one hundred twelve thousand, one hundred twenty-three".
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