Base | Representation |
---|---|
bin | 111100011011011110010011… |
… | …1101011010100101111010111 |
3 | 2120201000212120200020102010001 |
4 | 1320312330213223110233113 |
5 | 1024132234014423113411 |
6 | 5122254445454112131 |
7 | 216650415314122660 |
oct | 17066744753245727 |
9 | 2521025520212101 |
10 | 531541523254231 |
11 | 144402548688746 |
12 | 4b7483847ab647 |
13 | 19a791c5a43749 |
14 | 9538a65a78367 |
15 | 416b935147dc1 |
hex | 1e36f27ad4bd7 |
531541523254231 has 8 divisors (see below), whose sum is σ = 609429325699584. Its totient is φ = 454142045589720.
The previous prime is 531541523254199. The next prime is 531541523254243. The reversal of 531541523254231 is 132452325145135.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 531541523254231 - 25 = 531541523254199 is a prime.
It is a super-2 number, since 2×5315415232542312 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (531541523284231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122081192875 + ... + 122081197228.
It is an arithmetic number, because the mean of its divisors is an integer number (76178665712448).
Almost surely, 2531541523254231 is an apocalyptic number.
531541523254231 is a deficient number, since it is larger than the sum of its proper divisors (77887802445353).
531541523254231 is a wasteful number, since it uses less digits than its factorization.
531541523254231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244162390421.
The product of its digits is 2160000, while the sum is 46.
Adding to 531541523254231 its reverse (132452325145135), we get a palindrome (663993848399366).
The spelling of 531541523254231 in words is "five hundred thirty-one trillion, five hundred forty-one billion, five hundred twenty-three million, two hundred fifty-four thousand, two hundred thirty-one".
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