Base | Representation |
---|---|
bin | 1100001111000101111… |
… | …1100000110010000001 |
3 | 202002120220012102110121 |
4 | 3003301133200302001 |
5 | 11421002230000001 |
6 | 240322533500241 |
7 | 21121125342601 |
oct | 3036137406201 |
9 | 662526172417 |
10 | 210210000001 |
11 | 81171079331 |
12 | 348a6aa1681 |
13 | 16a906854b1 |
14 | a2620aac01 |
15 | 57049b46a1 |
hex | 30f17e0c81 |
210210000001 has 4 divisors (see below), whose sum is σ = 210212459604. Its totient is φ = 210207540400.
The previous prime is 210209999957. The next prime is 210210000019. The reversal of 210210000001 is 100000012012.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 36033150976 + 174176849025 = 189824^2 + 417345^2 .
It is a cyclic number.
It is not a de Polignac number, because 210210000001 - 27 = 210209999873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (210210000701) 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, 1096810 + ... + 1274131.
It is an arithmetic number, because the mean of its divisors is an integer number (52553114901).
Almost surely, 2210210000001 is an apocalyptic number.
It is an amenable number.
210210000001 is a deficient number, since it is larger than the sum of its proper divisors (2459603).
210210000001 is an equidigital number, since it uses as much as digits as its factorization.
210210000001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2459602.
The product of its (nonzero) digits is 4, while the sum is 7.
Adding to 210210000001 its reverse (100000012012), we get a palindrome (310210012013).
The spelling of 210210000001 in words is "two hundred ten billion, two hundred ten million, one", and thus it is an aban number.
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