Base | Representation |
---|---|
bin | 1100011001111110101… |
… | …1001111111010010011 |
3 | 202101010120001021012011 |
4 | 3012133223033322103 |
5 | 11442443332442321 |
6 | 241524525043351 |
7 | 21253421522350 |
oct | 3063753177223 |
9 | 671116037164 |
10 | 213132312211 |
11 | 824306a7795 |
12 | 353816b6557 |
13 | 17137c38c10 |
14 | a45c24d627 |
15 | 582630eae1 |
hex | 319facfe93 |
213132312211 has 16 divisors (see below), whose sum is σ = 263160188928. Its totient is φ = 168089911200.
The previous prime is 213132312181. The next prime is 213132312227. The reversal of 213132312211 is 112213231312.
It is a cyclic number.
It is not a de Polignac number, because 213132312211 - 229 = 212595441299 is a prime.
It is not an unprimeable number, because it can be changed into a prime (213132352211) 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, 3737155 + ... + 3793756.
It is an arithmetic number, because the mean of its divisors is an integer number (16447511808).
Almost surely, 2213132312211 is an apocalyptic number.
213132312211 is a deficient number, since it is larger than the sum of its proper divisors (50027876717).
213132312211 is a wasteful number, since it uses less digits than its factorization.
213132312211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7531242.
The product of its digits is 432, while the sum is 22.
Adding to 213132312211 its reverse (112213231312), we get a palindrome (325345543523).
The spelling of 213132312211 in words is "two hundred thirteen billion, one hundred thirty-two million, three hundred twelve thousand, two hundred eleven".
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