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30130105 = 519317159
BaseRepresentation
bin111001011101…
…1111110111001
32002200202201211
41302323332321
530203130410
62553443121
7514046605
oct162737671
962622654
1030130105
111600a215
12a1104a1
13631c285
144004505
1529a268a
hex1cbbfb9

30130105 has 8 divisors (see below), whose sum is σ = 38059200. Its totient is φ = 22835376.

The previous prime is 30130097. The next prime is 30130117. The reversal of 30130105 is 50103103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30130105 - 23 = 30130097 is a prime.

It is a super-2 number, since 2×301301052 = 1815646454622050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158485 + ... + 158674.

It is an arithmetic number, because the mean of its divisors is an integer number (4757400).

Almost surely, 230130105 is an apocalyptic number.

It is an amenable number.

30130105 is a deficient number, since it is larger than the sum of its proper divisors (7929095).

30130105 is a wasteful number, since it uses less digits than its factorization.

30130105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317183.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 30130105 is about 5489.0896330812. The cubic root of 30130105 is about 311.1717877921.

Adding to 30130105 its reverse (50103103), we get a palindrome (80233208).

The spelling of 30130105 in words is "thirty million, one hundred thirty thousand, one hundred five".

Divisors: 1 5 19 95 317159 1585795 6026021 30130105