Base | Representation |
---|---|
bin | 1111101001110… |
… | …10000111011100 |
3 | 100011002020111222 |
4 | 13310322013130 |
5 | 232103410134 |
6 | 21010232512 |
7 | 3153055055 |
oct | 764720734 |
9 | 304066458 |
10 | 131310044 |
11 | 681371a8 |
12 | 37b85738 |
13 | 21286b68 |
14 | 1362172c |
15 | b7dba2e |
hex | 7d3a1dc |
131310044 has 24 divisors (see below), whose sum is σ = 239854608. Its totient is φ = 62840960.
The previous prime is 131310043. The next prime is 131310061. The reversal of 131310044 is 440013131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131310043) 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, 1139 + ... + 16245.
It is an arithmetic number, because the mean of its divisors is an integer number (9993942).
Almost surely, 2131310044 is an apocalyptic number.
It is an amenable number.
131310044 is a deficient number, since it is larger than the sum of its proper divisors (108544564).
131310044 is a wasteful number, since it uses less digits than its factorization.
131310044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15205 (or 15203 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 131310044 is about 11459.0594727491. The cubic root of 131310044 is about 508.2756631043.
Adding to 131310044 its reverse (440013131), we get a palindrome (571323175).
The spelling of 131310044 in words is "one hundred thirty-one million, three hundred ten thousand, forty-four".
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