Base | Representation |
---|---|
bin | 111100001101010… |
… | …0010101111110011 |
3 | 12012210102000022122 |
4 | 1320122202233303 |
5 | 13114134131422 |
6 | 532244224455 |
7 | 101030422565 |
oct | 17032425763 |
9 | 5183360278 |
10 | 2020223987 |
11 | 947400201 |
12 | 48469b12b |
13 | 262708712 |
14 | 152441335 |
15 | bc559d42 |
hex | 786a2bf3 |
2020223987 has 2 divisors, whose sum is σ = 2020223988. Its totient is φ = 2020223986.
The previous prime is 2020223981. The next prime is 2020224029. The reversal of 2020223987 is 7893220202.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2020223987 - 212 = 2020219891 is a prime.
It is not a weakly prime, because it can be changed into another prime (2020223981) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010111993 + 1010111994.
It is an arithmetic number, because the mean of its divisors is an integer number (1010111994).
Almost surely, 22020223987 is an apocalyptic number.
2020223987 is a deficient number, since it is larger than the sum of its proper divisors (1).
2020223987 is an equidigital number, since it uses as much as digits as its factorization.
2020223987 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 2020223987 is about 44946.9018620861. The cubic root of 2020223987 is about 1264.1535864870.
The spelling of 2020223987 in words is "two billion, twenty million, two hundred twenty-three thousand, nine hundred eighty-seven".
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