Base | Representation |
---|---|
bin | 10110100011000010… |
… | …11101010001001011 |
3 | 1011020121221222221101 |
4 | 23101201131101023 |
5 | 144242404041441 |
6 | 5321103122231 |
7 | 605656010116 |
oct | 132141352113 |
9 | 34217858841 |
10 | 12105143371 |
11 | 5152046422 |
12 | 2419ba3377 |
13 | 11abb89439 |
14 | 82b98b57d |
15 | 4acade231 |
hex | 2d185d44b |
12105143371 has 8 divisors (see below), whose sum is σ = 12815914320. Its totient is φ = 11401738272.
The previous prime is 12105143357. The next prime is 12105143381. The reversal of 12105143371 is 17334150121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12105143371 - 229 = 11568272459 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12105143381) 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, 1838080 + ... + 1844653.
It is an arithmetic number, because the mean of its divisors is an integer number (1601989290).
Almost surely, 212105143371 is an apocalyptic number.
12105143371 is a deficient number, since it is larger than the sum of its proper divisors (710770949).
12105143371 is a wasteful number, since it uses less digits than its factorization.
12105143371 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3682925.
The product of its (nonzero) digits is 2520, while the sum is 28.
Adding to 12105143371 its reverse (17334150121), we get a palindrome (29439293492).
The spelling of 12105143371 in words is "twelve billion, one hundred five million, one hundred forty-three thousand, three hundred seventy-one".
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