30109193478 has 96 divisors (see below), whose sum is σ = 83265052416. Its totient is φ = 7940874528.

The previous prime is 30109193453. The next prime is 30109193483. The reversal of 30109193478 is 87439190103.

30109193478 is a `hidden beast` number, since 3 + 0 + 1 + 0 + 91 + 93 + 478 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 296176 + ... + 384627.

It is an arithmetic number, because the mean of its divisors is an integer number (867344296).

Almost surely, 2^30109193478 is an apocalyptic number.

30109193478 is an abundant number, since it is smaller than the sum of its proper divisors (53155858938).

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

30109193478 is a wasteful number, since it uses less digits than its factorization.

30109193478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680840 (or 680828 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 30109193478 in words is "thirty billion, one hundred nine million, one hundred ninety-three thousand, four hundred seventy-eight".