Base | Representation |
---|---|
bin | 11100000010110000… |
… | …011011010011000110 |
3 | 2212201111012022111111 |
4 | 130002300123103012 |
5 | 443131410121410 |
6 | 21455515355234 |
7 | 2114115306664 |
oct | 340260332306 |
9 | 85644168444 |
10 | 30111020230 |
11 | 11851982195 |
12 | 5a04152b1a |
13 | 2abb396945 |
14 | 16590a7c34 |
15 | bb3758b8a |
hex | 702c1b4c6 |
30111020230 has 32 divisors (see below), whose sum is σ = 55172041920. Its totient is φ = 11830156800.
The previous prime is 30111020183. The next prime is 30111020231. The reversal of 30111020230 is 3202011103.
It is a super-3 number, since 3×301110202303 (a number of 32 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30111020230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30111020231) 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, 22362 + ... + 246418.
It is an arithmetic number, because the mean of its divisors is an integer number (1724126310).
Almost surely, 230111020230 is an apocalyptic number.
30111020230 is a deficient number, since it is larger than the sum of its proper divisors (25061021690).
30111020230 is a wasteful number, since it uses less digits than its factorization.
30111020230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 224304.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 30111020230 its reverse (3202011103), we get a palindrome (33313031333).
The spelling of 30111020230 in words is "thirty billion, one hundred eleven million, twenty thousand, two hundred thirty".
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