Base | Representation |
---|---|
bin | 1100010110100011010… |
… | …1110010111000010001 |
3 | 202021202102221022211222 |
4 | 3011220311302320101 |
5 | 11434102324030001 |
6 | 241253342414425 |
7 | 21221551020440 |
oct | 3055065627021 |
9 | 667672838758 |
10 | 212212330001 |
11 | 81aa9367511 |
12 | 35165591415 |
13 | 1701c467249 |
14 | a3b1db0d57 |
15 | 57c068761b |
hex | 3168d72e11 |
212212330001 has 4 divisors (see below), whose sum is σ = 242528377152. Its totient is φ = 181896282852.
The previous prime is 212212329983. The next prime is 212212330013. The reversal of 212212330001 is 100033212212.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 212212330001 - 222 = 212208135697 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212212330021) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15158023565 + ... + 15158023578.
It is an arithmetic number, because the mean of its divisors is an integer number (60632094288).
Almost surely, 2212212330001 is an apocalyptic number.
It is an amenable number.
212212330001 is a deficient number, since it is larger than the sum of its proper divisors (30316047151).
212212330001 is an equidigital number, since it uses as much as digits as its factorization.
212212330001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30316047150.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 212212330001 its reverse (100033212212), we get a palindrome (312245542213).
The spelling of 212212330001 in words is "two hundred twelve billion, two hundred twelve million, three hundred thirty thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •