Base | Representation |
---|---|
bin | 111100001110010… |
… | …1110100101110101 |
3 | 12012211111010001112 |
4 | 1320130232211311 |
5 | 13114310444124 |
6 | 532304404405 |
7 | 101035326554 |
oct | 17034564565 |
9 | 5184433045 |
10 | 2020796789 |
11 | 9477615a0 |
12 | 484916705 |
13 | 26287935b |
14 | 15254dd9b |
15 | bc61e90e |
hex | 7872e975 |
2020796789 has 16 divisors (see below), whose sum is σ = 2231841600. Its totient is φ = 1814400000.
The previous prime is 2020796777. The next prime is 2020796801. The reversal of 2020796789 is 9876970202.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2020796777) and next prime (2020796801).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2020796789 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020796719) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496814 + ... + 500864.
It is an arithmetic number, because the mean of its divisors is an integer number (139490100).
Almost surely, 22020796789 is an apocalyptic number.
It is an amenable number.
2020796789 is a deficient number, since it is larger than the sum of its proper divisors (211044811).
2020796789 is a wasteful number, since it uses less digits than its factorization.
2020796789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4612.
The product of its (nonzero) digits is 762048, while the sum is 50.
The square root of 2020796789 is about 44953.2733958274. The cubic root of 2020796789 is about 1264.2730519986.
The spelling of 2020796789 in words is "two billion, twenty million, seven hundred ninety-six thousand, seven hundred eighty-nine".
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