Base | Representation |
---|---|
bin | 11010001110100… |
… | …01111010110010 |
3 | 120022222210000101 |
4 | 31013101322302 |
5 | 422310342320 |
6 | 33455343014 |
7 | 5311034005 |
oct | 1507217262 |
9 | 508883011 |
10 | 220012210 |
11 | 103211480 |
12 | 61821a6a |
13 | 36773152 |
14 | 2131153c |
15 | 144adc0a |
hex | d1d1eb2 |
220012210 has 32 divisors (see below), whose sum is σ = 454766400. Its totient is φ = 75792960.
The previous prime is 220012207. The next prime is 220012297. The reversal of 220012210 is 12210022.
It is a Harshad number since it is a multiple of its sum of digits (10).
220012210 is a modest number, since divided by 12210 gives 220 as remainder.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50545 + ... + 54724.
It is an arithmetic number, because the mean of its divisors is an integer number (14211450).
Almost surely, 2220012210 is an apocalyptic number.
220012210 is an abundant number, since it is smaller than the sum of its proper divisors (234754190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220012210 is a wasteful number, since it uses less digits than its factorization.
220012210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105306.
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 220012210 is about 14832.8085674966. The cubic root of 220012210 is about 603.6922415730.
Adding to 220012210 its reverse (12210022), we get a palindrome (232222232).
The spelling of 220012210 in words is "two hundred twenty million, twelve thousand, two hundred ten".
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