Base | Representation |
---|---|
bin | 11101010110111011… |
… | …001011001101001001 |
3 | 10000100220022121202122 |
4 | 131112323023031021 |
5 | 1004024404432131 |
6 | 22252001541025 |
7 | 2164113063503 |
oct | 352673131511 |
9 | 100326277678 |
10 | 31523124041 |
11 | 12406a88732 |
12 | 6139044775 |
13 | 2c84ac2726 |
14 | 175084ad73 |
15 | c476ded7b |
hex | 756ecb349 |
31523124041 has 8 divisors (see below), whose sum is σ = 31965272064. Its totient is φ = 31081255200.
The previous prime is 31523124019. The next prime is 31523124047. The reversal of 31523124041 is 14042132513.
It is a happy number.
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 31523124041 - 214 = 31523107657 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31523124041.
It is not an unprimeable number, because it can be changed into a prime (31523124047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163016 + ... + 299366.
It is an arithmetic number, because the mean of its divisors is an integer number (3995659008).
Almost surely, 231523124041 is an apocalyptic number.
It is an amenable number.
31523124041 is a deficient number, since it is larger than the sum of its proper divisors (442148023).
31523124041 is a wasteful number, since it uses less digits than its factorization.
31523124041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139591.
The product of its (nonzero) digits is 2880, while the sum is 26.
Adding to 31523124041 its reverse (14042132513), we get a palindrome (45565256554).
The spelling of 31523124041 in words is "thirty-one billion, five hundred twenty-three million, one hundred twenty-four thousand, forty-one".
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