Base | Representation |
---|---|
bin | 111100001101110… |
… | …1000010010001011 |
3 | 12012210221111000200 |
4 | 1320123220102023 |
5 | 13114222240221 |
6 | 532254303243 |
7 | 101033020146 |
oct | 17033502213 |
9 | 5183844020 |
10 | 2020508811 |
11 | 9475851a2 |
12 | 4847b7b23 |
13 | 2627a8259 |
14 | 1524b705d |
15 | bc5b4426 |
hex | 786e848b |
2020508811 has 24 divisors (see below), whose sum is σ = 3143574720. Its totient is φ = 1246429296.
The previous prime is 2020508801. The next prime is 2020508821. The reversal of 2020508811 is 1188050202.
It is an interprime number because it is at equal distance from previous prime (2020508801) and next prime (2020508821).
It is not a de Polignac number, because 2020508811 - 25 = 2020508779 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2020508801) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130041 + ... + 144746.
It is an arithmetic number, because the mean of its divisors is an integer number (130982280).
Almost surely, 22020508811 is an apocalyptic number.
2020508811 is a deficient number, since it is larger than the sum of its proper divisors (1123065909).
2020508811 is a wasteful number, since it uses less digits than its factorization.
2020508811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274855 (or 274852 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 27.
The square root of 2020508811 is about 44950.0702001677. The cubic root of 2020508811 is about 1264.2129931606.
The spelling of 2020508811 in words is "two billion, twenty million, five hundred eight thousand, eight hundred eleven".
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