Base | Representation |
---|---|
bin | 10111001011101000… |
… | …11110101001010010 |
3 | 1012010100201202020100 |
4 | 23211310132221102 |
5 | 200442043032231 |
6 | 5414545553230 |
7 | 620262325020 |
oct | 134564365122 |
9 | 35110652210 |
10 | 12445674066 |
11 | 5307293151 |
12 | 24b4045816 |
13 | 12345a84a7 |
14 | 860cb1710 |
15 | 4cc9571e6 |
hex | 2e5d1ea52 |
12445674066 has 96 divisors (see below), whose sum is σ = 31711575168. Its totient is φ = 3453569280.
The previous prime is 12445674047. The next prime is 12445674071. The reversal of 12445674066 is 66047654421.
12445674066 is a `hidden beast` number, since 1 + 2 + 44 + 567 + 40 + 6 + 6 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1167376 + ... + 1177988.
It is an arithmetic number, because the mean of its divisors is an integer number (330328908).
Almost surely, 212445674066 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12445674066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15855787584).
12445674066 is an abundant number, since it is smaller than the sum of its proper divisors (19265901102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12445674066 is a wasteful number, since it uses less digits than its factorization.
12445674066 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10896 (or 10893 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 45.
The spelling of 12445674066 in words is "twelve billion, four hundred forty-five million, six hundred seventy-four thousand, sixty-six".
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