Search a number
-
+
30303330210 = 2325467372053
BaseRepresentation
bin11100001110001110…
…000001111110100010
32220012220001200012100
4130032032001332202
5444030123031320
621530545311230
72121642025326
oct341616017642
986186050170
1030303330210
111194049255a
125a58635516
132b1c18a92a
141676847986
15bc5594790
hex70e381fa2

30303330210 has 48 divisors (see below), whose sum is σ = 78806612664. Its totient is φ = 8079046656.

The previous prime is 30303330203. The next prime is 30303330221. The reversal of 30303330210 is 1203330303.

30303330210 is a `hidden beast` number, since 30 + 303 + 330 + 2 + 1 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 25484610321 + 4818719889 = 159639^2 + 69417^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 384544 + ... + 456596.

Almost surely, 230303330210 is an apocalyptic number.

30303330210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30303330210 is an abundant number, since it is smaller than the sum of its proper divisors (48503282454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30303330210 is a wasteful number, since it uses less digits than its factorization.

30303330210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76739 (or 76736 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

Adding to 30303330210 its reverse (1203330303), we get a palindrome (31506660513).

The spelling of 30303330210 in words is "thirty billion, three hundred three million, three hundred thirty thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 4673 9346 14019 23365 28038 42057 46730 70095 72053 84114 140190 144106 210285 216159 360265 420570 432318 648477 720530 1080795 1296954 2161590 3242385 6484770 336703669 673407338 1010111007 1683518345 2020222014 3030333021 3367036690 5050555035 6060666042 10101110070 15151665105 30303330210