30298972356 has 81 divisors (see below), whose sum is σ = 77929225101. Its totient is φ = 9925939584.

The previous prime is 30298972349. The next prime is 30298972369. The reversal of 30298972356 is 65327989203.

It is a happy number.

The square root of 30298972356 is 174066.

It is a perfect power (a square), and thus also a powerful number.

30298972356 is a `hidden beast` number, since 30 + 298 + 97 + 235 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3397724100 + 26901248256 = 58290^2 + 164016^2 .

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 26 ways as a sum of consecutive naturals, for example, 69974316 + ... + 69974748.

Almost surely, 2^30298972356 is an apocalyptic number.

30298972356 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

30298972356 is the 174066-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30298972356

30298972356 is an abundant number, since it is smaller than the sum of its proper divisors (47630252745).

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

30298972356 is an equidigital number, since it uses as much as digits as its factorization.

30298972356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 30298972356 in words is "thirty billion, two hundred ninety-eight million, nine hundred seventy-two thousand, three hundred fifty-six".