Base | Representation |
---|---|
bin | 10110101110101111… |
… | …00100000011010101 |
3 | 1011111110111110012100 |
4 | 23113113210003111 |
5 | 144443010304023 |
6 | 5334525112313 |
7 | 611256412335 |
oct | 132727440325 |
9 | 34443443170 |
10 | 12203213013 |
11 | 51a2439612 |
12 | 24469b8699 |
13 | 11c62a5404 |
14 | 83a9d90c5 |
15 | 4b6511c43 |
hex | 2d75e40d5 |
12203213013 has 12 divisors (see below), whose sum is σ = 17683183180. Its totient is φ = 8109481536.
The previous prime is 12203212949. The next prime is 12203213027. The reversal of 12203213013 is 31031230221.
It can be written as a sum of positive squares in 2 ways, for example, as 5317034724 + 6886178289 = 72918^2 + 82983^2 .
It is not a de Polignac number, because 12203213013 - 26 = 12203212949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12203213093) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2163178 + ... + 2168811.
Almost surely, 212203213013 is an apocalyptic number.
It is an amenable number.
12203213013 is a deficient number, since it is larger than the sum of its proper divisors (5479970167).
12203213013 is a wasteful number, since it uses less digits than its factorization.
12203213013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4332308 (or 4332305 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 12203213013 its reverse (31031230221), we get a palindrome (43234443234).
The spelling of 12203213013 in words is "twelve billion, two hundred three million, two hundred thirteen thousand, thirteen".
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