Search a number
-
+
30108107783 = 132316008291
BaseRepresentation
bin11100000010100101…
…010100010000000111
32212201021201100101002
4130002211110100013
5443130133422113
621455333123515
72114051456615
oct340245242007
985637640332
1030108107783
1111850273006
125a0318959b
132aba8b70c0
14165894a6b5
15bb3380c58
hex702954407

30108107783 has 4 divisors (see below), whose sum is σ = 32424116088. Its totient is φ = 27792099480.

The previous prime is 30108107753. The next prime is 30108107801. The reversal of 30108107783 is 38770180103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30108107783 - 210 = 30108106759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30108107753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158004133 + ... + 1158004158.

It is an arithmetic number, because the mean of its divisors is an integer number (8106029022).

Almost surely, 230108107783 is an apocalyptic number.

30108107783 is a deficient number, since it is larger than the sum of its proper divisors (2316008305).

30108107783 is a wasteful number, since it uses less digits than its factorization.

30108107783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316008304.

The product of its (nonzero) digits is 28224, while the sum is 38.

Adding to 30108107783 its reverse (38770180103), we get a palindrome (68878287886).

The spelling of 30108107783 in words is "thirty billion, one hundred eight million, one hundred seven thousand, seven hundred eighty-three".

Divisors: 1 13 2316008291 30108107783