Base | Representation |
---|---|
bin | 1011101001110101110… |
… | …0111011001111100101 |
3 | 201010202222121221012010 |
4 | 2322131130323033211 |
5 | 11240012241214341 |
6 | 231550353144433 |
7 | 20315251532004 |
oct | 2723534731745 |
9 | 633688557163 |
10 | 200210101221 |
11 | 779aa423379 |
12 | 32975b5b119 |
13 | 15b58a02120 |
14 | 9993d72c3b |
15 | 531bb26716 |
hex | 2e9d73b3e5 |
200210101221 has 16 divisors (see below), whose sum is σ = 287622276480. Its totient is φ = 123145742400.
The previous prime is 200210101219. The next prime is 200210101261. The reversal of 200210101221 is 122101012002.
It is not a de Polignac number, because 200210101221 - 21 = 200210101219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 200210101197 and 200210101206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200210101261) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179330 + ... + 1338371.
It is an arithmetic number, because the mean of its divisors is an integer number (17976392280).
Almost surely, 2200210101221 is an apocalyptic number.
It is an amenable number.
200210101221 is a deficient number, since it is larger than the sum of its proper divisors (87412175259).
200210101221 is a wasteful number, since it uses less digits than its factorization.
200210101221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2519756.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 200210101221 its reverse (122101012002), we get a palindrome (322311113223).
The spelling of 200210101221 in words is "two hundred billion, two hundred ten million, one hundred one thousand, two hundred twenty-one".
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