Base | Representation |
---|---|
bin | 111010001011… |
… | …0110001111011 |
3 | 2010101122220010 |
4 | 1310112301323 |
5 | 30302031021 |
6 | 3005433003 |
7 | 520156101 |
oct | 164266173 |
9 | 63348803 |
10 | 30502011 |
11 | 16243681 |
12 | a26b763 |
13 | 641c637 |
14 | 409dc71 |
15 | 2a27976 |
hex | 1d16c7b |
30502011 has 8 divisors (see below), whose sum is σ = 42809920. Its totient is φ = 19264392.
The previous prime is 30502009. The next prime is 30502019. The reversal of 30502011 is 11020503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30502011 - 21 = 30502009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30502019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267505 + ... + 267618.
It is an arithmetic number, because the mean of its divisors is an integer number (5351240).
Almost surely, 230502011 is an apocalyptic number.
30502011 is a deficient number, since it is larger than the sum of its proper divisors (12307909).
30502011 is a wasteful number, since it uses less digits than its factorization.
30502011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 535145.
The product of its (nonzero) digits is 30, while the sum is 12.
The square root of 30502011 is about 5522.8625729779. The cubic root of 30502011 is about 312.4468551759.
Adding to 30502011 its reverse (11020503), we get a palindrome (41522514).
The spelling of 30502011 in words is "thirty million, five hundred two thousand, eleven".
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