Base | Representation |
---|---|
bin | 1111101001000… |
… | …00001111100100 |
3 | 100010212212010221 |
4 | 13310200033210 |
5 | 232042012233 |
6 | 21004054124 |
7 | 3152134102 |
oct | 764401744 |
9 | 303785127 |
10 | 131204068 |
11 | 68074616 |
12 | 37b34344 |
13 | 2124a858 |
14 | 135d4c72 |
15 | b7ba42d |
hex | 7d203e4 |
131204068 has 24 divisors (see below), whose sum is σ = 233450168. Its totient is φ = 64509696.
The previous prime is 131204041. The next prime is 131204077. The reversal of 131204068 is 860402131.
131204068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 18164644 + 113039424 = 4262^2 + 10632^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178630 + ... + 179362.
Almost surely, 2131204068 is an apocalyptic number.
It is an amenable number.
131204068 is a deficient number, since it is larger than the sum of its proper divisors (102246100).
131204068 is a wasteful number, since it uses less digits than its factorization.
131204068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1423 (or 1421 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 131204068 is about 11454.4344251473. The cubic root of 131204068 is about 508.1388888018.
Adding to 131204068 its reverse (860402131), we get a palindrome (991606199).
The spelling of 131204068 in words is "one hundred thirty-one million, two hundred four thousand, sixty-eight".
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