Base | Representation |
---|---|
bin | 11000000101011… |
… | …00000001101100 |
3 | 112002011020201111 |
4 | 30002230001230 |
5 | 403204444322 |
6 | 32014121404 |
7 | 5002144165 |
oct | 1402540154 |
9 | 462136644 |
10 | 202031212 |
11 | a4050049 |
12 | 577b0264 |
13 | 32b189c6 |
14 | 1cb9076c |
15 | 12b0b177 |
hex | c0ac06c |
202031212 has 12 divisors (see below), whose sum is σ = 357200200. Its totient is φ = 99974016.
The previous prime is 202031201. The next prime is 202031227. The reversal of 202031212 is 212130202.
It is a super-2 number, since 2×2020312122 = 81633221244377888, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 202031192 and 202031201.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259962 + ... + 260737.
Almost surely, 2202031212 is an apocalyptic number.
It is an amenable number.
202031212 is a deficient number, since it is larger than the sum of its proper divisors (155168988).
202031212 is a wasteful number, since it uses less digits than its factorization.
202031212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 520800 (or 520798 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 202031212 is about 14213.7683954678. The cubic root of 202031212 is about 586.7766496338.
Adding to 202031212 its reverse (212130202), we get a palindrome (414161414).
The spelling of 202031212 in words is "two hundred two million, thirty-one thousand, two hundred twelve".
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