Base | Representation |
---|---|
bin | 1111101001010… |
… | …10000000010111 |
3 | 100010221212222221 |
4 | 13310222000113 |
5 | 232044302210 |
6 | 21005003211 |
7 | 3152361505 |
oct | 764520027 |
9 | 303855887 |
10 | 131244055 |
11 | 680a1668 |
12 | 37b53507 |
13 | 21262b07 |
14 | 13605675 |
15 | b7c71da |
hex | 7d2a017 |
131244055 has 8 divisors (see below), whose sum is σ = 157697712. Its totient is φ = 104858688.
The previous prime is 131244037. The next prime is 131244119. The reversal of 131244055 is 550442131.
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 131244055 - 217 = 131112983 is a prime.
It is a Duffinian number.
It is a congruent number.
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, 12742 + ... + 20611.
It is an arithmetic number, because the mean of its divisors is an integer number (19712214).
Almost surely, 2131244055 is an apocalyptic number.
131244055 is a deficient number, since it is larger than the sum of its proper divisors (26453657).
131244055 is an equidigital number, since it uses as much as digits as its factorization.
131244055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34145.
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 131244055 is about 11456.1797733800. The cubic root of 131244055 is about 508.1905053057.
Adding to 131244055 its reverse (550442131), we get a palindrome (681686186).
The spelling of 131244055 in words is "one hundred thirty-one million, two hundred forty-four thousand, fifty-five".
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