Base | Representation |
---|---|
bin | 1100110111011111000… |
… | …01010001101110111101 |
3 | 1120021011001211012201010 |
4 | 12123233201101232331 |
5 | 24220412404022310 |
6 | 535033355305433 |
7 | 43640530463436 |
oct | 6335741215675 |
9 | 1507131735633 |
10 | 442105142205 |
11 | 16054a910991 |
12 | 7182414b279 |
13 | 328c888c17c |
14 | 1758019848d |
15 | b778111320 |
hex | 66ef851bbd |
442105142205 has 64 divisors (see below), whose sum is σ = 774829440000. Its totient is φ = 214486175232.
The previous prime is 442105142203. The next prime is 442105142351. The reversal of 442105142205 is 502241501244.
It is not a de Polignac number, because 442105142205 - 21 = 442105142203 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (442105142201) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 417321 + ... + 1028769.
It is an arithmetic number, because the mean of its divisors is an integer number (12106710000).
Almost surely, 2442105142205 is an apocalyptic number.
It is an amenable number.
442105142205 is a deficient number, since it is larger than the sum of its proper divisors (332724297795).
442105142205 is a wasteful number, since it uses less digits than its factorization.
442105142205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 611578.
The product of its (nonzero) digits is 12800, while the sum is 30.
Adding to 442105142205 its reverse (502241501244), we get a palindrome (944346643449).
The spelling of 442105142205 in words is "four hundred forty-two billion, one hundred five million, one hundred forty-two thousand, two hundred five".
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