Base | Representation |
---|---|
bin | 1100001111000011110… |
… | …1111111010100101001 |
3 | 202002120021122221212112 |
4 | 3003300331333110221 |
5 | 11420443002242301 |
6 | 240322021252105 |
7 | 21120660552311 |
oct | 3036075772451 |
9 | 662507587775 |
10 | 210201212201 |
11 | 81167116992 |
12 | 348a3b64035 |
13 | 16a8b8c9606 |
14 | a260c60441 |
15 | 5703d2a9bb |
hex | 30f0f7f529 |
210201212201 has 4 divisors (see below), whose sum is σ = 210221868804. Its totient is φ = 210180555600.
The previous prime is 210201212173. The next prime is 210201212231. The reversal of 210201212201 is 102212102012.
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 75130261801 + 135070950400 = 274099^2 + 367520^2 .
It is a cyclic number.
It is not a de Polignac number, because 210201212201 - 226 = 210134103337 is a prime.
It is a super-2 number, since 2×2102012122012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (210201212231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10313030 + ... + 10333391.
It is an arithmetic number, because the mean of its divisors is an integer number (52555467201).
Almost surely, 2210201212201 is an apocalyptic number.
It is an amenable number.
210201212201 is a deficient number, since it is larger than the sum of its proper divisors (20656603).
210201212201 is a wasteful number, since it uses less digits than its factorization.
210201212201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20656602.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 210201212201 its reverse (102212102012), we get a palindrome (312413314213).
The spelling of 210201212201 in words is "two hundred ten billion, two hundred one million, two hundred twelve thousand, two hundred one".
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