Base | Representation |
---|---|
bin | 10100111000100110… |
… | …01100000000011010 |
3 | 1001221101202021220112 |
4 | 22130103030000122 |
5 | 140430311211302 |
6 | 5052324324322 |
7 | 544564133324 |
oct | 123423140032 |
9 | 31841667815 |
10 | 11212210202 |
11 | 4834000526 |
12 | 220ab436a2 |
13 | 1098b9850b |
14 | 785150614 |
15 | 45950b552 |
hex | 29c4cc01a |
11212210202 has 8 divisors (see below), whose sum is σ = 17398257300. Its totient is φ = 5412791104.
The previous prime is 11212210201. The next prime is 11212210241. The reversal of 11212210202 is 20201221211.
It can be written as a sum of positive squares in 2 ways, for example, as 10999604641 + 212605561 = 104879^2 + 14581^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×112122102022 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (11212210201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96656927 + ... + 96657042.
Almost surely, 211212210202 is an apocalyptic number.
11212210202 is a deficient number, since it is larger than the sum of its proper divisors (6186047098).
11212210202 is a wasteful number, since it uses less digits than its factorization.
11212210202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193314000.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 11212210202 its reverse (20201221211), we get a palindrome (31413431413).
The spelling of 11212210202 in words is "eleven billion, two hundred twelve million, two hundred ten thousand, two hundred two".
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