Base | Representation |
---|---|
bin | 1100010110101000010… |
… | …1100010001100111101 |
3 | 202021210220021022200000 |
4 | 3011222011202030331 |
5 | 11434123201430323 |
6 | 241255410424513 |
7 | 21222223500651 |
oct | 3055205421475 |
9 | 667726238600 |
10 | 212233233213 |
11 | 8200a1443a1 |
12 | 35170592139 |
13 | 170238a5801 |
14 | a3b4a92a61 |
15 | 57c2415e43 |
hex | 316a16233d |
212233233213 has 24 divisors (see below), whose sum is σ = 317980117728. Its totient is φ = 141459020784.
The previous prime is 212233233203. The next prime is 212233233239. The reversal of 212233233213 is 312332332212.
212233233213 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 332 + 3 + 321 + 3 = 666.
It is not a de Polignac number, because 212233233213 - 225 = 212199678781 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212233233203) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1095570 + ... + 1274652.
It is an arithmetic number, because the mean of its divisors is an integer number (13249171572).
Almost surely, 2212233233213 is an apocalyptic number.
It is an amenable number.
212233233213 is a deficient number, since it is larger than the sum of its proper divisors (105746884515).
212233233213 is an equidigital number, since it uses as much as digits as its factorization.
212233233213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183975 (or 183963 counting only the distinct ones).
The product of its digits is 7776, while the sum is 27.
Adding to 212233233213 its reverse (312332332212), we get a palindrome (524565565425).
The spelling of 212233233213 in words is "two hundred twelve billion, two hundred thirty-three million, two hundred thirty-three thousand, two hundred thirteen".
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