Base | Representation |
---|---|
bin | 111001100110… |
… | …1010111011111 |
3 | 2002211101102002 |
4 | 1303031113133 |
5 | 30212420221 |
6 | 2555152515 |
7 | 514464320 |
oct | 163152737 |
9 | 62741362 |
10 | 30201311 |
11 | 16058768 |
12 | a14573b |
13 | 63457ca |
14 | 4022447 |
15 | 29b880b |
hex | 1ccd5df |
30201311 has 8 divisors (see below), whose sum is σ = 34573440. Its totient is φ = 25843608.
The previous prime is 30201271. The next prime is 30201319. The reversal of 30201311 is 11310203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30201311 - 26 = 30201247 is a prime.
It is a super-2 number, since 2×302013112 = 1824238372237442, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30201292 and 30201301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30201319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1340 + ... + 7886.
It is an arithmetic number, because the mean of its divisors is an integer number (4321680).
Almost surely, 230201311 is an apocalyptic number.
30201311 is a deficient number, since it is larger than the sum of its proper divisors (4372129).
30201311 is an equidigital number, since it uses as much as digits as its factorization.
30201311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7213.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 30201311 is about 5495.5719447570. The cubic root of 30201311 is about 311.4167240614.
Adding to 30201311 its reverse (11310203), we get a palindrome (41511514).
The spelling of 30201311 in words is "thirty million, two hundred one thousand, three hundred eleven".
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