Base | Representation |
---|---|
bin | 10010110100000100… |
… | …101111010000100010 |
3 | 1221010211202122102100 |
4 | 102310010233100202 |
5 | 312332424311320 |
6 | 13140305431230 |
7 | 1313412516333 |
oct | 226404572042 |
9 | 57124678370 |
10 | 20201010210 |
11 | 8626a41a67 |
12 | 3ab933b516 |
13 | 1b9c2269a4 |
14 | d98c8c28a |
15 | 7d3724790 |
hex | 4b412f422 |
20201010210 has 48 divisors (see below), whose sum is σ = 53187488640. Its totient is φ = 5318745120.
The previous prime is 20201010199. The next prime is 20201010253. The reversal of 20201010210 is 1201010202.
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 = 20201010192 and 20201010201.
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, 1413496 + ... + 1427715.
It is an arithmetic number, because the mean of its divisors is an integer number (1108072680).
Almost surely, 220201010210 is an apocalyptic number.
20201010210 is an abundant number, since it is smaller than the sum of its proper divisors (32986478430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20201010210 is a wasteful number, since it uses less digits than its factorization.
20201010210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2841303 (or 2841300 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
Adding to 20201010210 its reverse (1201010202), we get a palindrome (21402020412).
The spelling of 20201010210 in words is "twenty billion, two hundred one million, ten thousand, two hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •