30826872148 has 6 divisors (see below), whose sum is σ = 53947026266. Its totient is φ = 15413436072.

The previous prime is 30826872143. The next prime is 30826872149. The reversal of 30826872148 is 84127862803.

It can be written as a sum of positive squares in only one way, i.e., 24980434704 + 5846437444 = 158052^2 + 76462^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30826872143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3853359015 + ... + 3853359022.

Almost surely, 2^30826872148 is an apocalyptic number.

It is an amenable number.

30826872148 is a deficient number, since it is larger than the sum of its proper divisors (23120154118).

30826872148 is a wasteful number, since it uses less digits than its factorization.

30826872148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7706718041 (or 7706718039 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 30826872148 in words is "thirty billion, eight hundred twenty-six million, eight hundred seventy-two thousand, one hundred forty-eight".