Base | Representation |
---|---|
bin | 10011100011110101… |
… | …011110000100111001 |
3 | 2000012200120002122000 |
4 | 103203311132010321 |
5 | 321003043022131 |
6 | 13352012251213 |
7 | 1342312503162 |
oct | 234365360471 |
9 | 60180502560 |
10 | 21002314041 |
11 | 89a8293435 |
12 | 40a1770b09 |
13 | 1c99245177 |
14 | 1033476769 |
15 | 82dc57ce6 |
hex | 4e3d5e139 |
21002314041 has 8 divisors (see below), whose sum is σ = 31114539360. Its totient is φ = 14001542676.
The previous prime is 21002314037. The next prime is 21002314043. The reversal of 21002314041 is 14041320012.
It is not a de Polignac number, because 21002314041 - 22 = 21002314037 is a prime.
It is not an unprimeable number, because it can be changed into a prime (21002314043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388931715 + ... + 388931768.
It is an arithmetic number, because the mean of its divisors is an integer number (3889317420).
Almost surely, 221002314041 is an apocalyptic number.
It is an amenable number.
21002314041 is a deficient number, since it is larger than the sum of its proper divisors (10112225319).
21002314041 is an equidigital number, since it uses as much as digits as its factorization.
21002314041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 777863492 (or 777863486 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 21002314041 its reverse (14041320012), we get a palindrome (35043634053).
The spelling of 21002314041 in words is "twenty-one billion, two million, three hundred fourteen thousand, forty-one".
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