Base | Representation |
---|---|
bin | 1000110000101100100… |
… | …00110010110101111111 |
3 | 1001202222200111222021221 |
4 | 10120112100302311333 |
5 | 14412442412241111 |
6 | 350142013134211 |
7 | 30514405041031 |
oct | 4302620626577 |
9 | 1052880458257 |
10 | 301021212031 |
11 | 106731698a91 |
12 | 4a40b48a367 |
13 | 22503584a97 |
14 | 107d8a11c51 |
15 | 7c6c180371 |
hex | 4616432d7f |
301021212031 has 16 divisors (see below), whose sum is σ = 309147609600. Its totient is φ = 293006420928.
The previous prime is 301021212013. The next prime is 301021212067. The reversal of 301021212031 is 130212120103.
It is a cyclic number.
It is not a de Polignac number, because 301021212031 - 231 = 298873728383 is a prime.
It is a super-2 number, since 2×3010212120312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 301021211996 and 301021212014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (301021242031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14170440 + ... + 14191666.
It is an arithmetic number, because the mean of its divisors is an integer number (19321725600).
Almost surely, 2301021212031 is an apocalyptic number.
301021212031 is a deficient number, since it is larger than the sum of its proper divisors (8126397569).
301021212031 is a wasteful number, since it uses less digits than its factorization.
301021212031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23838.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 301021212031 its reverse (130212120103), we get a palindrome (431233332134).
The spelling of 301021212031 in words is "three hundred one billion, twenty-one million, two hundred twelve thousand, thirty-one".
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