Base | Representation |
---|---|
bin | 101111111111000100001100… |
… | …000110010101010010100100 |
3 | 1000200020102022121102011210000 |
4 | 233333010030012111102210 |
5 | 210130203014304311322 |
6 | 2024503210022501300 |
7 | 62311165525301364 |
oct | 5777041406252244 |
9 | 1020212277364700 |
10 | 211042011010212 |
11 | 612764613a8008 |
12 | 1b805432594830 |
13 | 909b23a296155 |
14 | 3a186b888a9a4 |
15 | 195ea48a6a3ac |
hex | bff10c1954a4 |
211042011010212 has 30 divisors (see below), whose sum is σ = 551705504092358. Its totient is φ = 70347337003296.
The previous prime is 211042011010183. The next prime is 211042011010219. The reversal of 211042011010212 is 212010110240112.
211042011010212 is a `hidden beast` number, since 2 + 1 + 10 + 420 + 1 + 10 + 10 + 212 = 666.
It can be written as a sum of positive squares in only one way, i.e., 210175592584356 + 866418425856 = 14497434^2 + 930816^2 .
It is a super-2 number, since 2×2110420110102122 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (211042011010219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 325682115433 + ... + 325682116080.
Almost surely, 2211042011010212 is an apocalyptic number.
It is an amenable number.
211042011010212 is an abundant number, since it is smaller than the sum of its proper divisors (340663493082146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211042011010212 is a wasteful number, since it uses less digits than its factorization.
211042011010212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 651364231529 (or 651364231518 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 211042011010212 its reverse (212010110240112), we get a palindrome (423052121250324).
The spelling of 211042011010212 in words is "two hundred eleven trillion, forty-two billion, eleven million, ten thousand, two hundred twelve".
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