Base | Representation |
---|---|
bin | 111100001101000… |
… | …1101101011101001 |
3 | 12012210020121222000 |
4 | 1320122031223221 |
5 | 13114123401310 |
6 | 532242321213 |
7 | 101026613205 |
oct | 17032155351 |
9 | 5183217860 |
10 | 2020137705 |
11 | 9473513a3 |
12 | 484659209 |
13 | 2626a8371 |
14 | 15241bb05 |
15 | bc53e4c0 |
hex | 7868dae9 |
2020137705 has 16 divisors (see below), whose sum is σ = 3591356160. Its totient is φ = 1077406704.
The previous prime is 2020137673. The next prime is 2020137719. The reversal of 2020137705 is 5077310202.
It is not a de Polignac number, because 2020137705 - 25 = 2020137673 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7481857 + ... + 7482126.
It is an arithmetic number, because the mean of its divisors is an integer number (224459760).
Almost surely, 22020137705 is an apocalyptic number.
It is an amenable number.
2020137705 is a deficient number, since it is larger than the sum of its proper divisors (1571218455).
2020137705 is a wasteful number, since it uses less digits than its factorization.
2020137705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14963997 (or 14963991 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The square root of 2020137705 is about 44945.9420303991. The cubic root of 2020137705 is about 1264.1355892660.
Adding to 2020137705 its reverse (5077310202), we get a palindrome (7097447907).
The spelling of 2020137705 in words is "two billion, twenty million, one hundred thirty-seven thousand, seven hundred five".
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