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30000030305 = 5717107471217
BaseRepresentation
bin11011111100001001…
…000010001001100001
32212102202100102221112
4123330021002021201
5442420001432210
621440512433105
72111300023130
oct337411021141
985382312845
1030000030305
11117a5264883
125992b48795
132aa13a5b2b
141648455917
15ba8b32d05
hex6fc242261

30000030305 has 32 divisors (see below), whose sum is σ = 43970294016. Its totient is φ = 19180376064.

The previous prime is 30000030257. The next prime is 30000030329. The reversal of 30000030305 is 50303000003.

It is a cyclic number.

It is not a de Polignac number, because 30000030305 - 214 = 30000013921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30000030305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171944 + ... + 299273.

It is an arithmetic number, because the mean of its divisors is an integer number (1374071688).

Almost surely, 230000030305 is an apocalyptic number.

30000030305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30000030305 is a deficient number, since it is larger than the sum of its proper divisors (13970263711).

30000030305 is a wasteful number, since it uses less digits than its factorization.

30000030305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471353.

The product of its (nonzero) digits is 135, while the sum is 14.

Adding to 30000030305 its reverse (50303000003), we get a palindrome (80303030308).

The spelling of 30000030305 in words is "thirty billion, thirty thousand, three hundred five".

Divisors: 1 5 7 17 35 85 107 119 535 595 749 1819 3745 9095 12733 63665 471217 2356085 3298519 8010689 16492595 40053445 50420219 56074823 252101095 280374115 352941533 857143723 1764707665 4285718615 6000006061 30000030305