Base | Representation |
---|---|
bin | 1100010101110011001… |
… | …0010110100101101101 |
3 | 202021020100102000221201 |
4 | 3011130302112211231 |
5 | 11433144041213401 |
6 | 241221320125501 |
7 | 21213544061011 |
oct | 3053462264555 |
9 | 667210360851 |
10 | 212010101101 |
11 | 81a051a1997 |
12 | 35109906891 |
13 | 16cb95ac586 |
14 | a3931ac541 |
15 | 57aca3cb01 |
hex | 315cc9696d |
212010101101 has 8 divisors (see below), whose sum is σ = 212997338424. Its totient is φ = 211023525120.
The previous prime is 212010101077. The next prime is 212010101113. The reversal of 212010101101 is 101101010212.
It can be written as a sum of positive squares in 4 ways, for example, as 20121422500 + 191888678601 = 141850^2 + 438051^2 .
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 212010101101 - 211 = 212010099053 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 (212010101141) 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, 483211 + ... + 810871.
It is an arithmetic number, because the mean of its divisors is an integer number (26624667303).
Almost surely, 2212010101101 is an apocalyptic number.
It is an amenable number.
212010101101 is a deficient number, since it is larger than the sum of its proper divisors (987237323).
212010101101 is a wasteful number, since it uses less digits than its factorization.
212010101101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 330671.
The product of its (nonzero) digits is 4, while the sum is 10.
Adding to 212010101101 its reverse (101101010212), we get a palindrome (313111111313).
The spelling of 212010101101 in words is "two hundred twelve billion, ten million, one hundred one thousand, one hundred one".
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