30002503028 has 12 divisors (see below), whose sum is σ = 52506274212. Its totient is φ = 15000710400.

The previous prime is 30002503009. The next prime is 30002503031. The reversal of 30002503028 is 82030520003.

It can be written as a sum of positive squares in 2 ways, for example, as 12405949924 + 17596553104 = 111382^2 + 132652^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30002502994 and 30002503012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5828 + ... + 245028.

It is an arithmetic number, because the mean of its divisors is an integer number (4375522851).

Almost surely, 2^30002503028 is an apocalyptic number.

It is an amenable number.

30002503028 is a deficient number, since it is larger than the sum of its proper divisors (22503771184).

30002503028 is a wasteful number, since it uses less digits than its factorization.

30002503028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270562 (or 270560 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 30002503028 in words is "thirty billion, two million, five hundred three thousand, twenty-eight".