30502700000 has 144 divisors (see below), whose sum is σ = 75500667648. Its totient is φ = 12129600000.

The previous prime is 30502699991. The next prime is 30502700017. The reversal of 30502700000 is 720503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19099202 + ... + 19100798.

It is an arithmetic number, because the mean of its divisors is an integer number (524310192).

Almost surely, 2^30502700000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30502700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37750333824).

30502700000 is an abundant number, since it is smaller than the sum of its proper divisors (44997967648).

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

30502700000 is an equidigital number, since it uses as much as digits as its factorization.

30502700000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823 (or 1795 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 17.

The spelling of 30502700000 in words is "thirty billion, five hundred two million, seven hundred thousand".