30128102828 has 12 divisors (see below), whose sum is σ = 52871046480. Its totient is φ = 15022089552.

The previous prime is 30128102803. The next prime is 30128102833. The reversal of 30128102828 is 82820182103.

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, 10488851 + ... + 10491722.

It is an arithmetic number, because the mean of its divisors is an integer number (4405920540).

Almost surely, 2^30128102828 is an apocalyptic number.

It is an amenable number.

30128102828 is a deficient number, since it is larger than the sum of its proper divisors (22742943652).

30128102828 is a wasteful number, since it uses less digits than its factorization.

30128102828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20980936 (or 20980934 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The spelling of 30128102828 in words is "thirty billion, one hundred twenty-eight million, one hundred two thousand, eight hundred twenty-eight".