Base | Representation |
---|---|
bin | 1111011110011100100… |
… | …00111101011110101111 |
3 | 1212211111222111111200220 |
4 | 13233032100331132233 |
5 | 32203001312430111 |
6 | 1044140110222423 |
7 | 53263023300255 |
oct | 7571620753657 |
9 | 1784458444626 |
10 | 531741530031 |
11 | 19556825a848 |
12 | 8707b1b4a13 |
13 | 3b1b22704ca |
14 | 1ba44a845d5 |
15 | dc725b5e06 |
hex | 7bce43d7af |
531741530031 has 4 divisors (see below), whose sum is σ = 708988706712. Its totient is φ = 354494353352.
The previous prime is 531741530003. The next prime is 531741530071. The reversal of 531741530031 is 130035147135.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 531741530031 - 26 = 531741529967 is a prime.
It is a super-2 number, since 2×5317415300312 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 531741529974 and 531741530001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (531741530071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88623588336 + ... + 88623588341.
It is an arithmetic number, because the mean of its divisors is an integer number (177247176678).
Almost surely, 2531741530031 is an apocalyptic number.
531741530031 is a deficient number, since it is larger than the sum of its proper divisors (177247176681).
531741530031 is a wasteful number, since it uses less digits than its factorization.
531741530031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177247176680.
The product of its (nonzero) digits is 18900, while the sum is 33.
Adding to 531741530031 its reverse (130035147135), we get a palindrome (661776677166).
The spelling of 531741530031 in words is "five hundred thirty-one billion, seven hundred forty-one million, five hundred thirty thousand, thirty-one".
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