Base | Representation |
---|---|
bin | 111100001100110… |
… | …1101010110100111 |
3 | 12012202222220022122 |
4 | 1320121231112213 |
5 | 13114110132122 |
6 | 532235420155 |
7 | 101025522146 |
oct | 17031552647 |
9 | 5182886278 |
10 | 2020005287 |
11 | 947270963 |
12 | 4845b465b |
13 | 262660001 |
14 | 1523c575d |
15 | bc515142 |
hex | 7866d5a7 |
2020005287 has 2 divisors, whose sum is σ = 2020005288. Its totient is φ = 2020005286.
The previous prime is 2020005259. The next prime is 2020005307. The reversal of 2020005287 is 7825000202.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2020005287 - 26 = 2020005223 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2020005227) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010002643 + 1010002644.
It is an arithmetic number, because the mean of its divisors is an integer number (1010002644).
Almost surely, 22020005287 is an apocalyptic number.
2020005287 is a deficient number, since it is larger than the sum of its proper divisors (1).
2020005287 is an equidigital number, since it uses as much as digits as its factorization.
2020005287 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2240, while the sum is 26.
The square root of 2020005287 is about 44944.4689255530. The cubic root of 2020005287 is about 1264.1079677225.
Adding to 2020005287 its reverse (7825000202), we get a palindrome (9845005489).
The spelling of 2020005287 in words is "two billion, twenty million, five thousand, two hundred eighty-seven".
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