Base | Representation |
---|---|
bin | 1100011010011000111… |
… | …0001011011101010111 |
3 | 202101102012200201001021 |
4 | 3012212032023131113 |
5 | 11443204441213221 |
6 | 241543450542011 |
7 | 21256224134515 |
oct | 3064616133527 |
9 | 671365621037 |
10 | 213242132311 |
11 | 824876961aa |
12 | 353b2437907 |
13 | 1715490a420 |
14 | a46ca794b5 |
15 | 5830ca4041 |
hex | 31a638b757 |
213242132311 has 32 divisors (see below), whose sum is σ = 246629214720. Its totient is φ = 182858231424.
The previous prime is 213242132309. The next prime is 213242132329. The reversal of 213242132311 is 113231242312.
It is not a de Polignac number, because 213242132311 - 21 = 213242132309 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213242132371) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1391385 + ... + 1537021.
It is an arithmetic number, because the mean of its divisors is an integer number (7707162960).
Almost surely, 2213242132311 is an apocalyptic number.
213242132311 is a deficient number, since it is larger than the sum of its proper divisors (33387082409).
213242132311 is a wasteful number, since it uses less digits than its factorization.
213242132311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145815.
The product of its digits is 1728, while the sum is 25.
Adding to 213242132311 its reverse (113231242312), we get a palindrome (326473374623).
The spelling of 213242132311 in words is "two hundred thirteen billion, two hundred forty-two million, one hundred thirty-two thousand, three hundred eleven".
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