Base | Representation |
---|---|
bin | 101111111110101000010000… |
… | …100100010100110001100011 |
3 | 1000200010112220120022111011122 |
4 | 233332220100210110301203 |
5 | 210124210104412211321 |
6 | 2024441330113202455 |
7 | 62306054411224214 |
oct | 5776502044246143 |
9 | 1020115816274148 |
10 | 211012021210211 |
11 | 612647719a0431 |
12 | 1b7bb662b6042b |
13 | 909846b062970 |
14 | 3a1707193940b |
15 | 195dd90ca88ab |
hex | bfea10914c63 |
211012021210211 has 16 divisors (see below), whose sum is σ = 239204429886240. Its totient is φ = 184528330571520.
The previous prime is 211012021210153. The next prime is 211012021210219. The reversal of 211012021210211 is 112012120210112.
It is not a de Polignac number, because 211012021210211 - 234 = 210994841341027 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 211012021210211.
It is not an unprimeable number, because it can be changed into a prime (211012021210219) 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 15 ways as a sum of consecutive naturals, for example, 210520271 + ... + 211520231.
It is an arithmetic number, because the mean of its divisors is an integer number (14950276867890).
Almost surely, 2211012021210211 is an apocalyptic number.
211012021210211 is a deficient number, since it is larger than the sum of its proper divisors (28192408676029).
211012021210211 is a wasteful number, since it uses less digits than its factorization.
211012021210211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1854326.
The product of its (nonzero) digits is 32, while the sum is 17.
Adding to 211012021210211 its reverse (112012120210112), we get a palindrome (323024141420323).
The spelling of 211012021210211 in words is "two hundred eleven trillion, twelve billion, twenty-one million, two hundred ten thousand, two hundred eleven".
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