Base | Representation |
---|---|
bin | 10110100101000011… |
… | …10001101111011100 |
3 | 1011021210200121222120 |
4 | 23102201301233130 |
5 | 144311213120234 |
6 | 5322504342540 |
7 | 606252223554 |
oct | 132241615734 |
9 | 34253617876 |
10 | 12122004444 |
11 | 51606123a0 |
12 | 2423774a50 |
13 | 11b2510bc4 |
14 | 82dcda164 |
15 | 4ae320049 |
hex | 2d2871bdc |
12122004444 has 24 divisors (see below), whose sum is σ = 30856011648. Its totient is φ = 3673334640.
The previous prime is 12122004443. The next prime is 12122004463. The reversal of 12122004444 is 44440022121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12122004443) 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, 45916552 + ... + 45916815.
It is an arithmetic number, because the mean of its divisors is an integer number (1285667152).
Almost surely, 212122004444 is an apocalyptic number.
It is an amenable number.
12122004444 is an abundant number, since it is smaller than the sum of its proper divisors (18734007204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12122004444 is a wasteful number, since it uses less digits than its factorization.
12122004444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91833385 (or 91833383 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 24.
Adding to 12122004444 its reverse (44440022121), we get a palindrome (56562026565).
The spelling of 12122004444 in words is "twelve billion, one hundred twenty-two million, four thousand, four hundred forty-four".
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