Base | Representation |
---|---|
bin | 10110100101000101… |
… | …01000111010100010 |
3 | 1011021211010002222120 |
4 | 23102202220322202 |
5 | 144311242333214 |
6 | 5322513245110 |
7 | 606254154456 |
oct | 132242507242 |
9 | 34254102876 |
10 | 12122230434 |
11 | 5160757166 |
12 | 2423863796 |
13 | 11b258ca22 |
14 | 82dd58666 |
15 | 4ae366ea9 |
hex | 2d28a8ea2 |
12122230434 has 16 divisors (see below), whose sum is σ = 25080477120. Its totient is φ = 3901407440.
The previous prime is 12122230433. The next prime is 12122230441. The reversal of 12122230434 is 43403222121.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (12122230433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34833822 + ... + 34834169.
It is an arithmetic number, because the mean of its divisors is an integer number (1567529820).
Almost surely, 212122230434 is an apocalyptic number.
12122230434 is an abundant number, since it is smaller than the sum of its proper divisors (12958246686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12122230434 is a wasteful number, since it uses less digits than its factorization.
12122230434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69668025.
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 12122230434 its reverse (43403222121), we get a palindrome (55525452555).
It can be divided in two parts, 12122 and 230434, that added together give a triangular number (242556 = T696).
The spelling of 12122230434 in words is "twelve billion, one hundred twenty-two million, two hundred thirty thousand, four hundred thirty-four".
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