Base | Representation |
---|---|
bin | 11001010001100… |
… | …11110000001011 |
3 | 112202221221201000 |
4 | 30220303300023 |
5 | 413234234311 |
6 | 33012230043 |
7 | 5153114511 |
oct | 1450636013 |
9 | 482857630 |
10 | 212024331 |
11 | a9756022 |
12 | 5b00b323 |
13 | 34c073ac |
14 | 202324b1 |
15 | 13932056 |
hex | ca33c0b |
212024331 has 16 divisors (see below), whose sum is σ = 315145600. Its totient is φ = 140883624.
The previous prime is 212024317. The next prime is 212024333. The reversal of 212024331 is 133420212.
It is not a de Polignac number, because 212024331 - 25 = 212024299 is a prime.
It is a super-2 number, since 2×2120243312 = 89908633871995122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212024333) 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 15 ways as a sum of consecutive naturals, for example, 4501 + ... + 21078.
It is an arithmetic number, because the mean of its divisors is an integer number (19696600).
Almost surely, 2212024331 is an apocalyptic number.
212024331 is a deficient number, since it is larger than the sum of its proper divisors (103121269).
212024331 is a wasteful number, since it uses less digits than its factorization.
212024331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25895 (or 25889 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 212024331 is about 14561.0552845596. The cubic root of 212024331 is about 596.2960061016.
Adding to 212024331 its reverse (133420212), we get a palindrome (345444543).
The spelling of 212024331 in words is "two hundred twelve million, twenty-four thousand, three hundred thirty-one".
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