30126977750 has 32 divisors (see below), whose sum is σ = 56444764896. Its totient is φ = 12040735200.

The previous prime is 30126977711. The next prime is 30126977761. The reversal of 30126977750 is 5777962103.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30126977695 and 30126977704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253577 + ... + 352923.

It is an arithmetic number, because the mean of its divisors is an integer number (1763898903).

Almost surely, 2^30126977750 is an apocalyptic number.

30126977750 is a deficient number, since it is larger than the sum of its proper divisors (26317787146).

30126977750 is a wasteful number, since it uses less digits than its factorization.

30126977750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100577 (or 100567 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 47.

The spelling of 30126977750 in words is "thirty billion, one hundred twenty-six million, nine hundred seventy-seven thousand, seven hundred fifty".