2100082728 has 16 divisors (see below), whose sum is σ = 5250206880. Its totient is φ = 700027568.

The previous prime is 2100082703. The next prime is 2100082837. The reversal of 2100082728 is 8272800012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100082695 and 2100082704.

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, 43751700 + ... + 43751747.

It is an arithmetic number, because the mean of its divisors is an integer number (328137930).

Almost surely, 2^2100082728 is an apocalyptic number.

It is an amenable number.

2100082728 is an abundant number, since it is smaller than the sum of its proper divisors (3150124152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100082728 is a wasteful number, since it uses less digits than its factorization.

2100082728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87503456 (or 87503452 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 2100082728 is about 45826.6595771501. The cubic root of 2100082728 is about 1280.5959806005.

The spelling of 2100082728 in words is "two billion, one hundred million, eighty-two thousand, seven hundred twenty-eight".