Base | Representation |
---|---|
bin | 111101001100101111… |
… | …1111011111110010100 |
3 | 110120020012000102211111 |
4 | 1322121133323332110 |
5 | 4123124110230134 |
6 | 140213034544404 |
7 | 12331550106124 |
oct | 1723137737624 |
9 | 416205012744 |
10 | 131424305044 |
11 | 5081165963a |
12 | 21579898104 |
13 | c515cb3096 |
14 | 650a706c84 |
15 | 3642e09c64 |
hex | 1e997fbf94 |
131424305044 has 24 divisors (see below), whose sum is σ = 234949602888. Its totient is φ = 64306784640.
The previous prime is 131424305029. The next prime is 131424305063. The reversal of 131424305044 is 440503424131.
It can be written as a sum of positive squares in 4 ways, for example, as 2615095044 + 128809210000 = 51138^2 + 358900^2 .
It is a junction number, because it is equal to n+sod(n) for n = 131424304997 and 131424305015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318999 + ... + 1415134.
It is an arithmetic number, because the mean of its divisors is an integer number (9789566787).
Almost surely, 2131424305044 is an apocalyptic number.
It is an amenable number.
131424305044 is a deficient number, since it is larger than the sum of its proper divisors (103525297844).
131424305044 is a wasteful number, since it uses less digits than its factorization.
131424305044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2734395 (or 2734393 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 31.
Adding to 131424305044 its reverse (440503424131), we get a palindrome (571927729175).
The spelling of 131424305044 in words is "one hundred thirty-one billion, four hundred twenty-four million, three hundred five thousand, forty-four".
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