Base | Representation |
---|---|
bin | 11101111000011110010101… |
… | …100010011100001111001000 |
3 | 122020100000212101021020011112 |
4 | 131320132111202130033020 |
5 | 114211223242024432130 |
6 | 1143303241111545452 |
7 | 36453041342420054 |
oct | 3570362542341710 |
9 | 566300771236145 |
10 | 131424213124040 |
11 | 3896a7720a4a31 |
12 | 128a6a8708b288 |
13 | 5844333689195 |
14 | 2464d74440c64 |
15 | 102d9a3297495 |
hex | 77879589c3c8 |
131424213124040 has 32 divisors (see below), whose sum is σ = 313098860679480. Its totient is φ = 49477350822912.
The previous prime is 131424213123991. The next prime is 131424213124049. The reversal of 131424213124040 is 40421312424131.
It can be written as a sum of positive squares in 4 ways, for example, as 130661039658436 + 763173465604 = 11430706^2 + 873598^2 .
It is a junction number, because it is equal to n+sod(n) for n = 131424213123988 and 131424213124006.
It is not an unprimeable number, because it can be changed into a prime (131424213124049) 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, 96635450147 + ... + 96635451506.
Almost surely, 2131424213124040 is an apocalyptic number.
131424213124040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131424213124040 is an abundant number, since it is smaller than the sum of its proper divisors (181674647555440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131424213124040 is a wasteful number, since it uses less digits than its factorization.
131424213124040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 193270901681 (or 193270901677 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 32.
Adding to 131424213124040 its reverse (40421312424131), we get a palindrome (171845525548171).
The spelling of 131424213124040 in words is "one hundred thirty-one trillion, four hundred twenty-four billion, two hundred thirteen million, one hundred twenty-four thousand, forty".
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