Base | Representation |
---|---|
bin | 10010101000001101… |
… | …101010001111110011 |
3 | 1220121222100000102222 |
4 | 102220031222033303 |
5 | 311431004204022 |
6 | 13104440431255 |
7 | 1305445246034 |
oct | 225015521763 |
9 | 56558300388 |
10 | 20002022387 |
11 | 8534690516 |
12 | 3a6277852b |
13 | 1b69c35309 |
14 | d7a690a8b |
15 | 7c101a242 |
hex | 4a836a3f3 |
20002022387 has 2 divisors, whose sum is σ = 20002022388. Its totient is φ = 20002022386.
The previous prime is 20002022297. The next prime is 20002022407. The reversal of 20002022387 is 78322020002.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20002022387 - 212 = 20002018291 is a prime.
It is not a weakly prime, because it can be changed into another prime (20002022987) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001011193 + 10001011194.
It is an arithmetic number, because the mean of its divisors is an integer number (10001011194).
Almost surely, 220002022387 is an apocalyptic number.
20002022387 is a deficient number, since it is larger than the sum of its proper divisors (1).
20002022387 is an equidigital number, since it uses as much as digits as its factorization.
20002022387 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2688, while the sum is 26.
Adding to 20002022387 its reverse (78322020002), we get a palindrome (98324042389).
The spelling of 20002022387 in words is "twenty billion, two million, twenty-two thousand, three hundred eighty-seven".
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