30213780000 has 120 divisors (see below), whose sum is σ = 99107437968. Its totient is φ = 8056992000.

The previous prime is 30213779989. The next prime is 30213780017. The reversal of 30213780000 is 8731203.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 191782 + ... + 311781.

Almost surely, 2^30213780000 is an apocalyptic number.

30213780000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30213780000 is an abundant number, since it is smaller than the sum of its proper divisors (68893657968).

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

30213780000 is an equidigital number, since it uses as much as digits as its factorization.

30213780000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503596 (or 503573 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The spelling of 30213780000 in words is "thirty billion, two hundred thirteen million, seven hundred eighty thousand".