Base | Representation |
---|---|
bin | 11001001001110… |
… | …01111111010101 |
3 | 112201000222101000 |
4 | 30210321333111 |
5 | 413004020201 |
6 | 32534253513 |
7 | 5141324100 |
oct | 1444717725 |
9 | 481028330 |
10 | 211001301 |
11 | a9117445 |
12 | 5a7b7299 |
13 | 34939854 |
14 | 20047737 |
15 | 137cdd86 |
hex | c939fd5 |
211001301 has 48 divisors (see below), whose sum is σ = 372187200. Its totient is φ = 117736416.
The previous prime is 211001299. The next prime is 211001309. The reversal of 211001301 is 103100112.
It is not a de Polignac number, because 211001301 - 21 = 211001299 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211001309) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55035 + ... + 58743.
It is an arithmetic number, because the mean of its divisors is an integer number (7753900).
Almost surely, 2211001301 is an apocalyptic number.
211001301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
211001301 is a deficient number, since it is larger than the sum of its proper divisors (161185899).
211001301 is a wasteful number, since it uses less digits than its factorization.
211001301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3775 (or 3762 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
The square root of 211001301 is about 14525.8838285317. The cubic root of 211001301 is about 595.3354048971.
Adding to 211001301 its reverse (103100112), we get a palindrome (314101413).
The spelling of 211001301 in words is "two hundred eleven million, one thousand, three hundred one".
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