Base | Representation |
---|---|
bin | 10111001000111101… |
… | …01011100111000000 |
3 | 1012001210102001222220 |
4 | 23210132223213000 |
5 | 200420313322114 |
6 | 5412423531040 |
7 | 616600211535 |
oct | 134436534700 |
9 | 35053361886 |
10 | 12423182784 |
11 | 52a5621111 |
12 | 24a85b9a80 |
13 | 122ca3213c |
14 | 85bcd8d8c |
15 | 4ca9b30a9 |
hex | 2e47ab9c0 |
12423182784 has 56 divisors (see below), whose sum is σ = 33176919168. Its totient is φ = 4102352640.
The previous prime is 12423182731. The next prime is 12423182831. The reversal of 12423182784 is 48728132421.
12423182784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281812 + ... + 322899.
Almost surely, 212423182784 is an apocalyptic number.
It is an amenable number.
12423182784 is an abundant number, since it is smaller than the sum of its proper divisors (20753736384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12423182784 is a wasteful number, since it uses less digits than its factorization.
12423182784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 604833 (or 604823 counting only the distinct ones).
The product of its digits is 172032, while the sum is 42.
It can be divided in two parts, 1242 and 3182784, that added together give a triangular number (3184026 = T2523).
The spelling of 12423182784 in words is "twelve billion, four hundred twenty-three million, one hundred eighty-two thousand, seven hundred eighty-four".
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