Base | Representation |
---|---|
bin | 11010001110100… |
… | …01101011001010 |
3 | 120022222201122100 |
4 | 31013101223022 |
5 | 422310324320 |
6 | 33455334230 |
7 | 5311031046 |
oct | 1507215312 |
9 | 508881570 |
10 | 220011210 |
11 | 103210751 |
12 | 61821376 |
13 | 36772863 |
14 | 21311026 |
15 | 144ad790 |
hex | d1d1aca |
220011210 has 24 divisors (see below), whose sum is σ = 572029380. Its totient is φ = 58669632.
The previous prime is 220011199. The next prime is 220011223. The reversal of 220011210 is 12110022.
220011210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 201270969 + 18740241 = 14187^2 + 4329^2 .
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 = 220011192 and 220011201.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1222195 + ... + 1222374.
Almost surely, 2220011210 is an apocalyptic number.
220011210 is an abundant number, since it is smaller than the sum of its proper divisors (352018170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220011210 is a wasteful number, since it uses less digits than its factorization.
220011210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2444582 (or 2444579 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 220011210 is about 14832.7748584006. The cubic root of 220011210 is about 603.6913269372.
Adding to 220011210 its reverse (12110022), we get a palindrome (232121232).
The spelling of 220011210 in words is "two hundred twenty million, eleven thousand, two hundred ten".
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