9903193056 has 192 divisors, whose sum is σ = 30702369600. Its totient is φ = 3105552384.

The previous prime is 9903193049. The next prime is 9903193081. The reversal of 9903193056 is 6503913099.

9903193056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4243666 + ... + 4245998.

It is an arithmetic number, because the mean of its divisors is an integer number (159908175).

Almost surely, 2^9903193056 is an apocalyptic number.

9903193056 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9903193056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15351184800).

9903193056 is an abundant number, since it is smaller than the sum of its proper divisors (20799176544).

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

9903193056 is a wasteful number, since it uses less digits than its factorization.

9903193056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2355 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 45.

The square root of 9903193056 is about 99514.7881271924. The cubic root of 9903193056 is about 2147.4599934634.

The spelling of 9903193056 in words is "nine billion, nine hundred three million, one hundred ninety-three thousand, fifty-six".