Base | Representation |
---|---|
bin | 11001001100010… |
… | …00000101110001 |
3 | 112201122020012011 |
4 | 30212020011301 |
5 | 413044234301 |
6 | 32545202521 |
7 | 5144125540 |
oct | 1446100561 |
9 | 481566164 |
10 | 211321201 |
11 | a9315823 |
12 | 5a930441 |
13 | 34a1c340 |
14 | 200cc157 |
15 | 13843a51 |
hex | c988171 |
211321201 has 8 divisors (see below), whose sum is σ = 260087744. Its totient is φ = 167199120.
The previous prime is 211321183. The next prime is 211321207. The reversal of 211321201 is 102123112.
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 211321201 - 215 = 211288433 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is not an unprimeable number, because it can be changed into a prime (211321207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161015 + ... + 1161196.
It is an arithmetic number, because the mean of its divisors is an integer number (32510968).
Almost surely, 2211321201 is an apocalyptic number.
It is an amenable number.
211321201 is a deficient number, since it is larger than the sum of its proper divisors (48766543).
211321201 is a wasteful number, since it uses less digits than its factorization.
211321201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2322231.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 211321201 is about 14536.8910362567. The cubic root of 211321201 is about 595.6361165197.
Adding to 211321201 its reverse (102123112), we get a palindrome (313444313).
The spelling of 211321201 in words is "two hundred eleven million, three hundred twenty-one thousand, two hundred one".
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