Base | Representation |
---|---|
bin | 111110111110101… |
… | …0000111100101001 |
3 | 12110021101022011120 |
4 | 1331331100330221 |
5 | 13311440242301 |
6 | 545405245453 |
7 | 103240002342 |
oct | 17575207451 |
9 | 5407338146 |
10 | 2113212201 |
11 | 994942671 |
12 | 4ab863889 |
13 | 278a65829 |
14 | 1609290c9 |
15 | c57c6e36 |
hex | 7df50f29 |
2113212201 has 16 divisors (see below), whose sum is σ = 2897035008. Its totient is φ = 1369353600.
The previous prime is 2113212197. The next prime is 2113212271. The reversal of 2113212201 is 1022123112.
It is not a de Polignac number, because 2113212201 - 22 = 2113212197 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2113212271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1635 + ... + 65031.
It is an arithmetic number, because the mean of its divisors is an integer number (181064688).
Almost surely, 22113212201 is an apocalyptic number.
It is an amenable number.
2113212201 is a deficient number, since it is larger than the sum of its proper divisors (783822807).
2113212201 is a wasteful number, since it uses less digits than its factorization.
2113212201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63712.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 2113212201 is about 45969.6878497124. The cubic root of 2113212201 is about 1283.2591507278.
Adding to 2113212201 its reverse (1022123112), we get a palindrome (3135335313).
It can be divided in two parts, 21132 and 12201, that added together give a palindrome (33333).
The spelling of 2113212201 in words is "two billion, one hundred thirteen million, two hundred twelve thousand, two hundred one".
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