28515683030 has 16 divisors (see below), whose sum is σ = 51330878064. Its totient is φ = 11405684640.

The previous prime is 28515682997. The next prime is 28515683047. The reversal of 28515683030 is 3038651582.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 167540 + ... + 291720.

It is an arithmetic number, because the mean of its divisors is an integer number (3208179879).

Almost surely, 2^28515683030 is an apocalyptic number.

28515683030 is a deficient number, since it is larger than the sum of its proper divisors (22815195034).

28515683030 is a wasteful number, since it uses less digits than its factorization.

28515683030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147151.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 28515683030 in words is "twenty-eight billion, five hundred fifteen million, six hundred eighty-three thousand, thirty".