128693798030 has 32 divisors (see below), whose sum is σ = 264756211200. Its totient is φ = 44121140640.

The previous prime is 128693798011. The next prime is 128693798033. The reversal of 128693798030 is 30897396821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128693798033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1598645 + ... + 1677215.

It is an arithmetic number, because the mean of its divisors is an integer number (8273631600).

Almost surely, 2^128693798030 is an apocalyptic number.

128693798030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128693798030 is an abundant number, since it is smaller than the sum of its proper divisors (136062413170).

128693798030 is a wasteful number, since it uses less digits than its factorization.

128693798030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101984.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 128693798030 in words is "one hundred twenty-eight billion, six hundred ninety-three million, seven hundred ninety-eight thousand, thirty".