Base | Representation |
---|---|
bin | 1111101000011… |
… | …10110011100011 |
3 | 100010202020011120 |
4 | 13310032303203 |
5 | 232032221033 |
6 | 21002343323 |
7 | 3151415625 |
oct | 764166343 |
9 | 303666146 |
10 | 131132643 |
11 | 68025994 |
12 | 37abab43 |
13 | 212241a5 |
14 | 135b6c15 |
15 | b7a41b3 |
hex | 7d0ece3 |
131132643 has 8 divisors (see below), whose sum is σ = 176575056. Its totient is φ = 86556000.
The previous prime is 131132627. The next prime is 131132647. The reversal of 131132643 is 346231131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131132643 - 24 = 131132627 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131132647) 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, 216088 + ... + 216693.
It is an arithmetic number, because the mean of its divisors is an integer number (22071882).
Almost surely, 2131132643 is an apocalyptic number.
131132643 is a deficient number, since it is larger than the sum of its proper divisors (45442413).
131132643 is a wasteful number, since it uses less digits than its factorization.
131132643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 432885.
The product of its digits is 1296, while the sum is 24.
The square root of 131132643 is about 11451.3162125583. The cubic root of 131132643 is about 508.0466650149.
Adding to 131132643 its reverse (346231131), we get a palindrome (477363774).
The spelling of 131132643 in words is "one hundred thirty-one million, one hundred thirty-two thousand, six hundred forty-three".
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