Base | Representation |
---|---|
bin | 10010110100100111… |
… | …000010000101010011 |
3 | 1221011110200101101100 |
4 | 102310213002011103 |
5 | 312342230001321 |
6 | 13141230235443 |
7 | 1313552111262 |
oct | 226447020523 |
9 | 57143611340 |
10 | 20210000211 |
11 | 8631022315 |
12 | 3b00355b83 |
13 | 1ba105390b |
14 | d9a14c5d9 |
15 | 7d43ed326 |
hex | 4b49c2153 |
20210000211 has 48 divisors (see below), whose sum is σ = 30567850560. Its totient is φ = 12850790400.
The previous prime is 20210000207. The next prime is 20210000267. The reversal of 20210000211 is 11200001202.
It is not a de Polignac number, because 20210000211 - 22 = 20210000207 is a prime.
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 = 20210000193 and 20210000202.
It is not an unprimeable number, because it can be changed into a prime (20210000201) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7604995 + ... + 7607651.
It is an arithmetic number, because the mean of its divisors is an integer number (636830220).
Almost surely, 220210000211 is an apocalyptic number.
20210000211 is a deficient number, since it is larger than the sum of its proper divisors (10357850349).
20210000211 is a wasteful number, since it uses less digits than its factorization.
20210000211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3036 (or 3033 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
Adding to 20210000211 its reverse (11200001202), we get a palindrome (31410001413).
Subtracting from 20210000211 its reverse (11200001202), we obtain a palindrome (9009999009).
The spelling of 20210000211 in words is "twenty billion, two hundred ten million, two hundred eleven", and thus it is an aban number.
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