Base | Representation |
---|---|
bin | 11101001000100010111… |
… | …001011001101000100001 |
3 | 21002101121121220101210001 |
4 | 131020202321121220201 |
5 | 230300134244414411 |
6 | 4131420302140001 |
7 | 264433265123512 |
oct | 35104271315041 |
9 | 7071547811701 |
10 | 2002040232481 |
11 | 702073577733 |
12 | 284013281601 |
13 | 116a3a157023 |
14 | 6cc8381ca09 |
15 | 3712718adc1 |
hex | 1d222e59a21 |
2002040232481 has 2 divisors, whose sum is σ = 2002040232482. Its totient is φ = 2002040232480.
The previous prime is 2002040232373. The next prime is 2002040232503. The reversal of 2002040232481 is 1842320402002.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1252196808256 + 749843424225 = 1119016^2 + 865935^2 .
It is a cyclic number.
It is not a de Polignac number, because 2002040232481 - 239 = 1452284418593 is a prime.
It is a super-2 number, since 2×20020402324812 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2002040292481) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001020116240 + 1001020116241.
It is an arithmetic number, because the mean of its divisors is an integer number (1001020116241).
Almost surely, 22002040232481 is an apocalyptic number.
It is an amenable number.
2002040232481 is a deficient number, since it is larger than the sum of its proper divisors (1).
2002040232481 is an equidigital number, since it uses as much as digits as its factorization.
2002040232481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6144, while the sum is 28.
Adding to 2002040232481 its reverse (1842320402002), we get a palindrome (3844360634483).
The spelling of 2002040232481 in words is "two trillion, two billion, forty million, two hundred thirty-two thousand, four hundred eighty-one".
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