30052802978 has 16 divisors (see below), whose sum is σ = 50010829920. Its totient is φ = 13428832800.

The previous prime is 30052802957. The next prime is 30052803041. The reversal of 30052802978 is 87920825003.

It is a Curzon 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, 11575283 + ... + 11577878.

It is an arithmetic number, because the mean of its divisors is an integer number (3125676870).

Almost surely, 2^30052802978 is an apocalyptic number.

30052802978 is a deficient number, since it is larger than the sum of its proper divisors (19958026942).

30052802978 is a wasteful number, since it uses less digits than its factorization.

30052802978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23153233.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 30052802978 in words is "thirty billion, fifty-two million, eight hundred two thousand, nine hundred seventy-eight".