Base | Representation |
---|---|
bin | 1111101110011… |
… | …00101001111010 |
3 | 100012012201212102 |
4 | 13313030221322 |
5 | 232232112031 |
6 | 21031143402 |
7 | 3161135015 |
oct | 767145172 |
9 | 305181772 |
10 | 131910266 |
11 | 68507154 |
12 | 38214b62 |
13 | 21437117 |
14 | 1373a37c |
15 | b8a97cb |
hex | 7dcca7a |
131910266 has 8 divisors (see below), whose sum is σ = 198959124. Its totient is φ = 65590560.
The previous prime is 131910263. The next prime is 131910307. The reversal of 131910266 is 662019131.
131910266 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 2 ways, for example, as 131905225 + 5041 = 11485^2 + 71^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (131910263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181835 + ... + 182558.
Almost surely, 2131910266 is an apocalyptic number.
131910266 is a deficient number, since it is larger than the sum of its proper divisors (67048858).
131910266 is a wasteful number, since it uses less digits than its factorization.
131910266 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 364576.
The product of its (nonzero) digits is 1944, while the sum is 29.
The square root of 131910266 is about 11485.2194580687. The cubic root of 131910266 is about 509.0489336584.
Adding to 131910266 its reverse (662019131), we get a palindrome (793929397).
The spelling of 131910266 in words is "one hundred thirty-one million, nine hundred ten thousand, two hundred sixty-six".
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