30765015850 has 12 divisors (see below), whose sum is σ = 57222929574. Its totient is φ = 12306006320.

The previous prime is 30765015833. The next prime is 30765015851. The reversal of 30765015850 is 5851056703.

It can be written as a sum of positive squares in 3 ways, for example, as 28662151401 + 2102864449 = 169299^2 + 45857^2 .

It is not an unprimeable number, because it can be changed into a prime (30765015851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307650109 + ... + 307650208.

Almost surely, 2^30765015850 is an apocalyptic number.

30765015850 is a deficient number, since it is larger than the sum of its proper divisors (26457913724).

30765015850 is a wasteful number, since it uses less digits than its factorization.

30765015850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615300329 (or 615300324 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 30765015850 in words is "thirty billion, seven hundred sixty-five million, fifteen thousand, eight hundred fifty".