Base | Representation |
---|---|
bin | 11001010001100… |
… | …10101110101101 |
3 | 112202221201221211 |
4 | 30220302232231 |
5 | 413234121031 |
6 | 33012154421 |
7 | 5153066344 |
oct | 1450625655 |
9 | 482851854 |
10 | 212020141 |
11 | a9752963 |
12 | 5b008a11 |
13 | 34c05508 |
14 | 20230b5b |
15 | 13930bb1 |
hex | ca32bad |
212020141 has 8 divisors (see below), whose sum is σ = 234252864. Its totient is φ = 190872000.
The previous prime is 212020139. The next prime is 212020153. The reversal of 212020141 is 141020212.
It is a happy number.
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 212020141 - 21 = 212020139 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 (212020111) 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, 270735 + ... + 271516.
It is an arithmetic number, because the mean of its divisors is an integer number (29281608).
Almost surely, 2212020141 is an apocalyptic number.
It is an amenable number.
212020141 is a deficient number, since it is larger than the sum of its proper divisors (22232723).
212020141 is a wasteful number, since it uses less digits than its factorization.
212020141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 542291.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 212020141 is about 14560.9114069141. The cubic root of 212020141 is about 596.2920780985.
Adding to 212020141 its reverse (141020212), we get a palindrome (353040353).
The spelling of 212020141 in words is "two hundred twelve million, twenty thousand, one hundred forty-one".
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