Base | Representation |
---|---|
bin | 1100010110001001010… |
… | …0110110010101110011 |
3 | 202021110211021022121122 |
4 | 3011202110312111303 |
5 | 11433341333431011 |
6 | 241234440012455 |
7 | 21216053003066 |
oct | 3054224662563 |
9 | 667424238548 |
10 | 212103030131 |
11 | 81a526a3943 |
12 | 35134a6112b |
13 | 17002918775 |
14 | a3a167c8dd |
15 | 57b5c973db |
hex | 3162536573 |
212103030131 has 8 divisors (see below), whose sum is σ = 214059671760. Its totient is φ = 210146584032.
The previous prime is 212103030119. The next prime is 212103030151. The reversal of 212103030131 is 131030301212.
212103030131 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 not a de Polignac number, because 212103030131 - 26 = 212103030067 is a prime.
It is a super-2 number, since 2×2121030301312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212103030151) 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, 3005456 + ... + 3075218.
It is an arithmetic number, because the mean of its divisors is an integer number (26757458970).
Almost surely, 2212103030131 is an apocalyptic number.
212103030131 is a deficient number, since it is larger than the sum of its proper divisors (1956641629).
212103030131 is a wasteful number, since it uses less digits than its factorization.
212103030131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97765.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 212103030131 its reverse (131030301212), we get a palindrome (343133331343).
The spelling of 212103030131 in words is "two hundred twelve billion, one hundred three million, thirty thousand, one hundred thirty-one".
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