Base | Representation |
---|---|
bin | 111100001100111… |
… | …0000111111110010 |
3 | 12012210000122210100 |
4 | 1320121300333302 |
5 | 13114111121320 |
6 | 532240013230 |
7 | 101025613515 |
oct | 17031607762 |
9 | 5183018710 |
10 | 2020020210 |
11 | 94728109a |
12 | 484601216 |
13 | 262666a40 |
14 | 1523cad7c |
15 | bc519790 |
hex | 78670ff2 |
2020020210 has 48 divisors (see below), whose sum is σ = 5656059864. Its totient is φ = 497235456.
The previous prime is 2020020203. The next prime is 2020020227. The reversal of 2020020210 is 120200202.
It can be written as a sum of positive squares in 4 ways, for example, as 679801329 + 1340218881 = 26073^2 + 36609^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 2020020192 and 2020020201.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 862087 + ... + 864426.
Almost surely, 22020020210 is an apocalyptic number.
2020020210 is an abundant number, since it is smaller than the sum of its proper divisors (3636039654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020020210 is a wasteful number, since it uses less digits than its factorization.
2020020210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1726539 (or 1726536 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
The square root of 2020020210 is about 44944.6349412252. The cubic root of 2020020210 is about 1264.1110806247. Note that the first 3 decimals are identical.
Adding to 2020020210 its reverse (120200202), we get a palindrome (2140220412).
The spelling of 2020020210 in words is "two billion, twenty million, twenty thousand, two hundred ten".
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