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30444858000 = 24325317372689
BaseRepresentation
bin11100010110101001…
…111010101010010000
32220120202101000211100
4130112221322222100
5444322340424000
621553002544400
72125311010644
oct342651725220
986522330740
1030444858000
1111a03368477
125a97b08100
132b425b149b
14168b568c24
15bd2beda00
hex716a7aa90

30444858000 has 480 divisors, whose sum is σ = 115674605280. Its totient is φ = 7431782400.

The previous prime is 30444857953. The next prime is 30444858019. The reversal of 30444858000 is 85844403.

30444858000 is a `hidden beast` number, since 30 + 4 + 4 + 48 + 580 + 0 + 0 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 19273213584 + 11171644416 = 138828^2 + 105696^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11320656 + ... + 11323344.

It is an arithmetic number, because the mean of its divisors is an integer number (240988761).

Almost surely, 230444858000 is an apocalyptic number.

30444858000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30444858000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57837302640).

30444858000 is an abundant number, since it is smaller than the sum of its proper divisors (85229747280).

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

30444858000 is a wasteful number, since it uses less digits than its factorization.

30444858000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772 (or 2753 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 30444858000 in words is "thirty billion, four hundred forty-four million, eight hundred fifty-eight thousand".