Base | Representation |
---|---|
bin | 11101101101111000011… |
… | …111111100010111011000 |
3 | 21020020002121221202021021 |
4 | 131231320133330113120 |
5 | 231424241030331430 |
6 | 4202050404452224 |
7 | 300352624663462 |
oct | 35557037742730 |
9 | 7206077852237 |
10 | 2042131105240 |
11 | 718076852826 |
12 | 28b9416aa074 |
13 | 11a758ca5845 |
14 | 70ba80c3132 |
15 | 381c1b2307a |
hex | 1db787fc5d8 |
2042131105240 has 32 divisors (see below), whose sum is σ = 4594878090000. Its totient is φ = 816837668224.
The previous prime is 2042131105219. The next prime is 2042131105241. The reversal of 2042131105240 is 425011312402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2042131105241) 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, 1930611 + ... + 2794909.
Almost surely, 22042131105240 is an apocalyptic number.
2042131105240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2042131105240 is an abundant number, since it is smaller than the sum of its proper divisors (2552746984760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2042131105240 is a wasteful number, since it uses less digits than its factorization.
2042131105240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 923379 (or 923375 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
Adding to 2042131105240 its reverse (425011312402), we get a palindrome (2467142417642).
The spelling of 2042131105240 in words is "two trillion, forty-two billion, one hundred thirty-one million, one hundred five thousand, two hundred forty".
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