Base | Representation |
---|---|
bin | 111001011011… |
… | …1010100101000 |
3 | 2002122210112211 |
4 | 1302313110220 |
5 | 30202023031 |
6 | 2553214504 |
7 | 513640135 |
oct | 162672450 |
9 | 62583484 |
10 | 30111016 |
11 | 15aa6941 |
12 | a101434 |
13 | 6313690 |
14 | 3ddb58c |
15 | 299bbb1 |
hex | 1cb7528 |
30111016 has 32 divisors (see below), whose sum is σ = 61034400. Its totient is φ = 13844160.
The previous prime is 30110947. The next prime is 30111017. The reversal of 30111016 is 61011103.
It is a happy number.
It is a super-3 number, since 3×301110163 (a number of 23 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a junction number, because it is equal to n+sod(n) for n = 30110987 and 30111005.
It is not an unprimeable number, because it can be changed into a prime (30111017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43231 + ... + 43921.
It is an arithmetic number, because the mean of its divisors is an integer number (1907325).
Almost surely, 230111016 is an apocalyptic number.
It is an amenable number.
30111016 is an abundant number, since it is smaller than the sum of its proper divisors (30923384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30111016 is a wasteful number, since it uses less digits than its factorization.
30111016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1129 (or 1125 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 30111016 is about 5487.3505446618. The cubic root of 30111016 is about 311.1060593662.
Adding to 30111016 its reverse (61011103), we get a palindrome (91122119).
The spelling of 30111016 in words is "thirty million, one hundred eleven thousand, sixteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •