Base | Representation |
---|---|
bin | 111100001101010… |
… | …1000111110001111 |
3 | 12012210110022022002 |
4 | 1320122220332033 |
5 | 13114140440422 |
6 | 532244542515 |
7 | 101030560124 |
oct | 17032507617 |
9 | 5183408262 |
10 | 2020249487 |
11 | 947418383 |
12 | 4846b1a3b |
13 | 2627171c9 |
14 | 15244a74b |
15 | bc562692 |
hex | 786a8f8f |
2020249487 has 2 divisors, whose sum is σ = 2020249488. Its totient is φ = 2020249486.
The previous prime is 2020249477. The next prime is 2020249513. The reversal of 2020249487 is 7849420202.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2020249487 - 24 = 2020249471 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2020249487.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2020249477) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010124743 + 1010124744.
It is an arithmetic number, because the mean of its divisors is an integer number (1010124744).
Almost surely, 22020249487 is an apocalyptic number.
2020249487 is a deficient number, since it is larger than the sum of its proper divisors (1).
2020249487 is an equidigital number, since it uses as much as digits as its factorization.
2020249487 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 64512, while the sum is 38.
The square root of 2020249487 is about 44947.1855292409. The cubic root of 2020249487 is about 1264.1589053330.
Adding to 2020249487 its reverse (7849420202), we get a palindrome (9869669689).
The spelling of 2020249487 in words is "two billion, twenty million, two hundred forty-nine thousand, four hundred eighty-seven".
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