Base | Representation |
---|---|
bin | 1100010111010111100… |
… | …1001001100100110001 |
3 | 202022022200222211022212 |
4 | 3011311321021210301 |
5 | 11440024404010301 |
6 | 241331204141505 |
7 | 21230150240432 |
oct | 3056571114461 |
9 | 668280884285 |
10 | 212431313201 |
11 | 82100a35868 |
12 | 35206997895 |
13 | 17055939bc3 |
14 | a3d30d5489 |
15 | 57d49e14bb |
hex | 3175e49931 |
212431313201 has 8 divisors (see below), whose sum is σ = 214126511904. Its totient is φ = 210742776160.
The previous prime is 212431313177. The next prime is 212431313207. The reversal of 212431313201 is 102313134212.
212431313201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-212431313201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212431313207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1601375 + ... + 1728948.
It is an arithmetic number, because the mean of its divisors is an integer number (26765813988).
Almost surely, 2212431313201 is an apocalyptic number.
It is an amenable number.
212431313201 is a deficient number, since it is larger than the sum of its proper divisors (1695198703).
212431313201 is a wasteful number, since it uses less digits than its factorization.
212431313201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3330831.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 212431313201 its reverse (102313134212), we get a palindrome (314744447413).
The spelling of 212431313201 in words is "two hundred twelve billion, four hundred thirty-one million, three hundred thirteen thousand, two hundred one".
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