Base | Representation |
---|---|
bin | 10110101101010000… |
… | …01111111010010000 |
3 | 1011110121011022010000 |
4 | 23112220033322100 |
5 | 144431321402434 |
6 | 5333403210000 |
7 | 611046113241 |
oct | 132650177220 |
9 | 34417138100 |
10 | 12190809744 |
11 | 5196437883 |
12 | 2442816900 |
13 | 11c38519b9 |
14 | 8390cacc8 |
15 | 4b53b1b99 |
hex | 2d6a0fe90 |
12190809744 has 75 divisors (see below), whose sum is σ = 35295248307. Its totient is φ = 4062278304.
The previous prime is 12190809731. The next prime is 12190809749. The reversal of 12190809744 is 44790809121.
It is a happy number.
The square root of 12190809744 is 110412.
It is a perfect power (a square), and thus also a powerful number.
12190809744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 12190809744.
It is not an unprimeable number, because it can be changed into a prime (12190809749) by changing a digit.
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 14 ways as a sum of consecutive naturals, for example, 3973299 + ... + 3976365.
Almost surely, 212190809744 is an apocalyptic number.
12190809744 is the 110412-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12190809744
12190809744 is an abundant number, since it is smaller than the sum of its proper divisors (23104438563).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12190809744 is an frugal number, since it uses more digits than its factorization.
12190809744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6154 (or 3072 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 45.
The spelling of 12190809744 in words is "twelve billion, one hundred ninety million, eight hundred nine thousand, seven hundred forty-four".
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