Base | Representation |
---|---|
bin | 10111011110110010… |
… | …10101010011111001 |
3 | 1012112120000220220000 |
4 | 23233121111103321 |
5 | 201304210030410 |
6 | 5442525223213 |
7 | 624253015665 |
oct | 135731252371 |
9 | 35476026800 |
10 | 12606330105 |
11 | 5389a43436 |
12 | 2539a01b09 |
13 | 125b968735 |
14 | 8783718a5 |
15 | 4dbadddc0 |
hex | 2ef6554f9 |
12606330105 has 40 divisors (see below), whose sum is σ = 23024430792. Its totient is φ = 6596508672.
The previous prime is 12606330101. The next prime is 12606330119. The reversal of 12606330105 is 50103360621.
12606330105 is a `hidden beast` number, since 1 + 26 + 0 + 633 + 0 + 1 + 0 + 5 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 1388978361 + 11217351744 = 37269^2 + 105912^2 .
It is not a de Polignac number, because 12606330105 - 22 = 12606330101 is a prime.
It is a super-2 number, since 2×126063301052 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (12606330101) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 272184 + ... + 315113.
Almost surely, 212606330105 is an apocalyptic number.
12606330105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12606330105 is a deficient number, since it is larger than the sum of its proper divisors (10418100687).
12606330105 is an equidigital number, since it uses as much as digits as its factorization.
12606330105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 587367 (or 587358 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
Adding to 12606330105 its reverse (50103360621), we get a palindrome (62709690726).
The spelling of 12606330105 in words is "twelve billion, six hundred six million, three hundred thirty thousand, one hundred five".
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