Base | Representation |
---|---|
bin | 10110110001000111… |
… | …11001001000100110 |
3 | 1011112212011000210102 |
4 | 23120203321020212 |
5 | 200013121103220 |
6 | 5340522024102 |
7 | 611621450435 |
oct | 133043711046 |
9 | 34485130712 |
10 | 12223222310 |
11 | 5202765922 |
12 | 2451648032 |
13 | 11ca48cb30 |
14 | 83d52711c |
15 | 4b8165775 |
hex | 2d88f9226 |
12223222310 has 32 divisors (see below), whose sum is σ = 24941316960. Its totient is φ = 4275652608.
The previous prime is 12223222243. The next prime is 12223222321. The reversal of 12223222310 is 1322232221.
It is a happy number.
It is a super-2 number, since 2×122232223102 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
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, 2471867 + ... + 2476806.
It is an arithmetic number, because the mean of its divisors is an integer number (779416155).
Almost surely, 212223222310 is an apocalyptic number.
12223222310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12223222310 is an abundant number, since it is smaller than the sum of its proper divisors (12718094650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12223222310 is a wasteful number, since it uses less digits than its factorization.
12223222310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4948712.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 12223222310 its reverse (1322232221), we get a palindrome (13545454531).
It can be divided in two parts, 12 and 223222310, that added together give a palindrome (223222322).
The spelling of 12223222310 in words is "twelve billion, two hundred twenty-three million, two hundred twenty-two thousand, three hundred ten".
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