Base | Representation |
---|---|
bin | 10110110011001001… |
… | …11011101100101010 |
3 | 1011121001020020210201 |
4 | 23121210323230222 |
5 | 200032002202140 |
6 | 5342331302414 |
7 | 612216411460 |
oct | 133144735452 |
9 | 34531206721 |
10 | 12240272170 |
11 | 5211350715 |
12 | 24572aaa0a |
13 | 1200b7c4c9 |
14 | 8418c4830 |
15 | 4b98d249a |
hex | 2d993bb2a |
12240272170 has 64 divisors (see below), whose sum is σ = 26680389120. Its totient is φ = 3946954752.
The previous prime is 12240272167. The next prime is 12240272243. The reversal of 12240272170 is 7127204221.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2195146 + ... + 2200714.
It is an arithmetic number, because the mean of its divisors is an integer number (416881080).
Almost surely, 212240272170 is an apocalyptic number.
12240272170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12240272170 is an abundant number, since it is smaller than the sum of its proper divisors (14440116950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12240272170 is a wasteful number, since it uses less digits than its factorization.
12240272170 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7447.
The product of its (nonzero) digits is 3136, while the sum is 28.
Adding to 12240272170 its reverse (7127204221), we get a palindrome (19367476391).
The spelling of 12240272170 in words is "twelve billion, two hundred forty million, two hundred seventy-two thousand, one hundred seventy".
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