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30111020230 = 2589151224057
BaseRepresentation
bin11100000010110000…
…011011010011000110
32212201111012022111111
4130002300123103012
5443131410121410
621455515355234
72114115306664
oct340260332306
985644168444
1030111020230
1111851982195
125a04152b1a
132abb396945
1416590a7c34
15bb3758b8a
hex702c1b4c6

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".

Divisors: 1 2 5 10 89 151 178 302 445 755 890 1510 13439 26878 67195 134390 224057 448114 1120285 2240570 19941073 33832607 39882146 67665214 99705365 169163035 199410730 338326070 3011102023 6022204046 15055510115 30111020230