Base | Representation |
---|---|
bin | 10110101110011110… |
… | …01010101111101000 |
3 | 1011111022100122020202 |
4 | 23113033022233220 |
5 | 144441424342300 |
6 | 5334410011332 |
7 | 611231615066 |
oct | 132717125750 |
9 | 34438318222 |
10 | 12201012200 |
11 | 51a1176063 |
12 | 2446116b48 |
13 | 11c59b4760 |
14 | 83a5c5036 |
15 | 4b6229ad5 |
hex | 2d73cabe8 |
12201012200 has 96 divisors (see below), whose sum is σ = 32346601560. Its totient is φ = 4239974400.
The previous prime is 12201012199. The next prime is 12201012221. The reversal of 12201012200 is 221010221.
It is a happy number.
It can be written as a sum of positive squares in 12 ways, for example, as 1821070276 + 10379941924 = 42674^2 + 101882^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93821 + ... + 182220.
Almost surely, 212201012200 is an apocalyptic number.
12201012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12201012200 is an abundant number, since it is smaller than the sum of its proper divisors (20145589360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12201012200 is a wasteful number, since it uses less digits than its factorization.
12201012200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 276087 (or 276078 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 12201012200 its reverse (221010221), we get a palindrome (12422022421).
The spelling of 12201012200 in words is "twelve billion, two hundred one million, twelve thousand, two hundred".
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