30286932930 has 96 divisors (see below), whose sum is σ = 84143545200. Its totient is φ = 7531646976.

The previous prime is 30286932899. The next prime is 30286932943. The reversal of 30286932930 is 3923968203.

It can be written as a sum of positive squares in 8 ways, for example, as 21553469721 + 8733463209 = 146811^2 + 93453^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 75966 + ... + 257574.

Almost surely, 2^30286932930 is an apocalyptic number.

30286932930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30286932930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42071772600).

30286932930 is an abundant number, since it is smaller than the sum of its proper divisors (53856612270).

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

30286932930 is a wasteful number, since it uses less digits than its factorization.

30286932930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181748 (or 181745 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 30286932930 in words is "thirty billion, two hundred eighty-six million, nine hundred thirty-two thousand, nine hundred thirty".