30189062500 has 81 divisors (see below), whose sum is σ = 66517055787. Its totient is φ = 11988750000.

The previous prime is 30189062489. The next prime is 30189062507. The reversal of 30189062500 is 526098103.

The square root of 30189062500 is 173750.

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

It can be written as a sum of positive squares in 4 ways, for example, as 21464008036 + 8725054464 = 146506^2 + 93408^2 .

It is a super-2 number, since 2×30189062500² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30189062507) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 217187431 + ... + 217187569.

Almost surely, 2^30189062500 is an apocalyptic number.

30189062500 is the 173750-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30189062500

30189062500 is an abundant number, since it is smaller than the sum of its proper divisors (36327993287).

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

30189062500 is an frugal number, since it uses more digits than its factorization.

30189062500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 30189062500 in words is "thirty billion, one hundred eighty-nine million, sixty-two thousand, five hundred".