Base | Representation |
---|---|
bin | 11001000010111… |
… | …01111111101001 |
3 | 112122100012021221 |
4 | 30201131333221 |
5 | 412241201301 |
6 | 32503102041 |
7 | 5130552013 |
oct | 1441357751 |
9 | 478305257 |
10 | 210100201 |
11 | a8661433 |
12 | 5a441921 |
13 | 346b265c |
14 | 1dc911b3 |
15 | 136a1da1 |
hex | c85dfe9 |
210100201 has 4 divisors (see below), whose sum is σ = 210332752. Its totient is φ = 209867652.
The previous prime is 210100181. The next prime is 210100211. The reversal of 210100201 is 102001012.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 210100201 - 25 = 210100169 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (210100211) 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 3 ways as a sum of consecutive naturals, for example, 114915 + ... + 116728.
It is an arithmetic number, because the mean of its divisors is an integer number (52583188).
Almost surely, 2210100201 is an apocalyptic number.
It is an amenable number.
210100201 is a deficient number, since it is larger than the sum of its proper divisors (232551).
210100201 is an equidigital number, since it uses as much as digits as its factorization.
210100201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 232550.
The product of its (nonzero) digits is 4, while the sum is 7.
The square root of 210100201 is about 14494.8335968372. The cubic root of 210100201 is about 594.4867178511.
Adding to 210100201 its reverse (102001012), we get a palindrome (312101213).
The spelling of 210100201 in words is "two hundred ten million, one hundred thousand, two hundred one".
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