Base | Representation |
---|---|
bin | 10110100010101010… |
… | …11110011000100001 |
3 | 1011020102001102002001 |
4 | 23101111132120201 |
5 | 144241103032314 |
6 | 5320511524001 |
7 | 605620215163 |
oct | 132125363041 |
9 | 34212042061 |
10 | 12102002209 |
11 | 51502a0420 |
12 | 2418b29601 |
13 | 11ab32976b |
14 | 82b3b0933 |
15 | 4ac6bd674 |
hex | 2d155e621 |
12102002209 has 8 divisors (see below), whose sum is σ = 13657432320. Its totient is φ = 10622446800.
The previous prime is 12102002203. The next prime is 12102002251. The reversal of 12102002209 is 90220020121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12102002209 - 227 = 11967784481 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12102002203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18968337 + ... + 18968974.
It is an arithmetic number, because the mean of its divisors is an integer number (1707179040).
Almost surely, 212102002209 is an apocalyptic number.
It is an amenable number.
12102002209 is a deficient number, since it is larger than the sum of its proper divisors (1555430111).
12102002209 is a wasteful number, since it uses less digits than its factorization.
12102002209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37937351.
The product of its (nonzero) digits is 144, while the sum is 19.
The spelling of 12102002209 in words is "twelve billion, one hundred two million, two thousand, two hundred nine".
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