Base | Representation |
---|---|
bin | 10111001000101100… |
… | …11100111001101000 |
3 | 1012001122100110121012 |
4 | 23210112130321220 |
5 | 200414240303014 |
6 | 5412305403052 |
7 | 616542654665 |
oct | 134426347150 |
9 | 35048313535 |
10 | 12421025384 |
11 | 52a4388239 |
12 | 24a7939488 |
13 | 122c458181 |
14 | 85b8d6a6c |
15 | 4ca6d8c3e |
hex | 2e459ce68 |
12421025384 has 16 divisors (see below), whose sum is σ = 24659388900. Its totient is φ = 5845188352.
The previous prime is 12421025371. The next prime is 12421025417. The reversal of 12421025384 is 48352012421.
12421025384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 11843968900 + 577056484 = 108830^2 + 24022^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 12421025384.
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 3 ways as a sum of consecutive naturals, for example, 45665399 + ... + 45665670.
Almost surely, 212421025384 is an apocalyptic number.
It is an amenable number.
12421025384 is a deficient number, since it is larger than the sum of its proper divisors (12238363516).
12421025384 is a wasteful number, since it uses less digits than its factorization.
12421025384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91331092 (or 91331088 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 32.
The spelling of 12421025384 in words is "twelve billion, four hundred twenty-one million, twenty-five thousand, three hundred eighty-four".
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