Base | Representation |
---|---|
bin | 10100110010111110… |
… | …010011110101010100 |
3 | 2010122012220010111122 |
4 | 110302332103311110 |
5 | 331212442001234 |
6 | 14131442023112 |
7 | 1420234064330 |
oct | 246276236524 |
9 | 63565803448 |
10 | 22330031444 |
11 | 95197a2146 |
12 | 43b2347a98 |
13 | 214b336176 |
14 | 111b9307c0 |
15 | 8aa5c092e |
hex | 532f93d54 |
22330031444 has 48 divisors (see below), whose sum is σ = 46470993408. Its totient is φ = 9189643008.
The previous prime is 22330031443. The next prime is 22330031461. The reversal of 22330031444 is 44413003322.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22330031443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90329 + ... + 229824.
It is an arithmetic number, because the mean of its divisors is an integer number (968145696).
Almost surely, 222330031444 is an apocalyptic number.
It is an amenable number.
22330031444 is an abundant number, since it is smaller than the sum of its proper divisors (24140961964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22330031444 is a wasteful number, since it uses less digits than its factorization.
22330031444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 320264 (or 320262 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 26.
Adding to 22330031444 its reverse (44413003322), we get a palindrome (66743034766).
The spelling of 22330031444 in words is "twenty-two billion, three hundred thirty million, thirty-one thousand, four hundred forty-four".
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