Base | Representation |
---|---|
bin | 10111001011011101… |
… | …11110100101101010 |
3 | 1012010021000111011001 |
4 | 23211232332211222 |
5 | 200441210411132 |
6 | 5414455025214 |
7 | 620244140614 |
oct | 134556764552 |
9 | 35107014131 |
10 | 12444232042 |
11 | 53064987a0 |
12 | 24b366b20a |
13 | 12341c2018 |
14 | 860a17db4 |
15 | 4cc76ece7 |
hex | 2e5bbe96a |
12444232042 has 16 divisors (see below), whose sum is σ = 20396858112. Its totient is φ = 5647144320.
The previous prime is 12444232027. The next prime is 12444232051. The reversal of 12444232042 is 24023244421.
It is a super-4 number, since 4×124442320424 (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 12444232042.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452583 + ... + 479290.
It is an arithmetic number, because the mean of its divisors is an integer number (1274803632).
Almost surely, 212444232042 is an apocalyptic number.
12444232042 is a deficient number, since it is larger than the sum of its proper divisors (7952626070).
12444232042 is a wasteful number, since it uses less digits than its factorization.
12444232042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 932493.
The product of its (nonzero) digits is 12288, while the sum is 28.
Adding to 12444232042 its reverse (24023244421), we get a palindrome (36467476463).
The spelling of 12444232042 in words is "twelve billion, four hundred forty-four million, two hundred thirty-two thousand, forty-two".
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