Base | Representation |
---|---|
bin | 10111000111010111… |
… | …10001101010000100 |
3 | 1012000212022002200111 |
4 | 23203223301222010 |
5 | 200403404310322 |
6 | 5411225522404 |
7 | 616345612222 |
oct | 134353615204 |
9 | 35025262614 |
10 | 12409838212 |
11 | 5299037142 |
12 | 24a4043404 |
13 | 122a03c145 |
14 | 85a223b12 |
15 | 4c9729177 |
hex | 2e3af1a84 |
12409838212 has 12 divisors (see below), whose sum is σ = 21719285056. Its totient is φ = 6204328200.
The previous prime is 12409838183. The next prime is 12409838213. The reversal of 12409838212 is 21283890421.
12409838212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (12409838213) 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 3 ways as a sum of consecutive naturals, for example, 98664 + ... + 185887.
Almost surely, 212409838212 is an apocalyptic number.
It is an amenable number.
12409838212 is a deficient number, since it is larger than the sum of its proper divisors (9309446844).
12409838212 is a wasteful number, since it uses less digits than its factorization.
12409838212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 295458 (or 295456 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 40.
The spelling of 12409838212 in words is "twelve billion, four hundred nine million, eight hundred thirty-eight thousand, two hundred twelve".
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