30050781608 has 16 divisors (see below), whose sum is σ = 56487148980. Its totient is φ = 14987541888.

The previous prime is 30050781589. The next prime is 30050781623. The reversal of 30050781608 is 80618705003.

It can be written as a sum of positive squares in 2 ways, for example, as 24863613124 + 5187168484 = 157682^2 + 72022^2 .

It is a super-2 number, since 2×30050781608² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4727741 + ... + 4734092.

Almost surely, 2^30050781608 is an apocalyptic number.

It is an amenable number.

30050781608 is a deficient number, since it is larger than the sum of its proper divisors (26436367372).

30050781608 is a wasteful number, since it uses less digits than its factorization.

30050781608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9462236 (or 9462232 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 30050781608 in words is "thirty billion, fifty million, seven hundred eighty-one thousand, six hundred eight".