Base | Representation |
---|---|
bin | 111101001010000000… |
… | …0101011011111101101 |
3 | 110112222202202021202200 |
4 | 1322110000223133231 |
5 | 4122432022200010 |
6 | 140155545212113 |
7 | 12326351331162 |
oct | 1722400533755 |
9 | 415882667680 |
10 | 131332225005 |
11 | 50774687533 |
12 | 21552a91039 |
13 | c4ccbb3457 |
14 | 64dc3b8069 |
15 | 3639cbbcc0 |
hex | 1e9402b7ed |
131332225005 has 12 divisors (see below), whose sum is σ = 227642523420. Its totient is φ = 70043853312.
The previous prime is 131332225001. The next prime is 131332225019. The reversal of 131332225005 is 500522233131.
It is a happy number.
131332225005 is a `hidden beast` number, since 1 + 3 + 133 + 2 + 22 + 500 + 5 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 56029730436 + 75302494569 = 236706^2 + 274413^2 .
It is not a de Polignac number, because 131332225005 - 22 = 131332225001 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 131332225005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131332225001) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1459246900 + ... + 1459246989.
It is an arithmetic number, because the mean of its divisors is an integer number (18970210285).
Almost surely, 2131332225005 is an apocalyptic number.
131332225005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
131332225005 is a deficient number, since it is larger than the sum of its proper divisors (96310298415).
131332225005 is a wasteful number, since it uses less digits than its factorization.
131332225005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2918493900 (or 2918493897 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
Adding to 131332225005 its reverse (500522233131), we get a palindrome (631854458136).
The spelling of 131332225005 in words is "one hundred thirty-one billion, three hundred thirty-two million, two hundred twenty-five thousand, five".
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