Base | Representation |
---|---|
bin | 10100101011111100… |
… | …011100000011101010 |
3 | 2010022222222121102121 |
4 | 110223330130003222 |
5 | 330442244202310 |
6 | 14112030221454 |
7 | 1414302511000 |
oct | 245374340352 |
9 | 63288877377 |
10 | 22212100330 |
11 | 9469173812 |
12 | 437a95488a |
13 | 212ca84b44 |
14 | 1109dd2a70 |
15 | 8a00780da |
hex | 52bf1c0ea |
22212100330 has 32 divisors (see below), whose sum is σ = 46625990400. Its totient is φ = 7615576080.
The previous prime is 22212100307. The next prime is 22212100357. The reversal of 22212100330 is 3300121222.
It is a super-2 number, since 2×222121003302 (a number of 21 digits) contains 22 as substring.
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, 3234486 + ... + 3241345.
It is an arithmetic number, because the mean of its divisors is an integer number (1457062200).
Almost surely, 222212100330 is an apocalyptic number.
22212100330 is an abundant number, since it is smaller than the sum of its proper divisors (24413890070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22212100330 is an equidigital number, since it uses as much as digits as its factorization.
22212100330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6475859 (or 6475845 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 22212100330 its reverse (3300121222), we get a palindrome (25512221552).
The spelling of 22212100330 in words is "twenty-two billion, two hundred twelve million, one hundred thousand, three hundred thirty".
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