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30444000000 = 283564359
BaseRepresentation
bin11100010110100110…
…101001001100000000
32220120200202102212120
4130112212221030000
5444322131000000
621552532324240
72125300505331
oct342646511400
986520672776
1030444000000
1111a02931887
125a97773680
132b42370aab
14168b3c4288
15bd2ace6a0
hex7169a9300

30444000000 has 504 divisors, whose sum is σ = 105392400960. Its totient is φ = 7795200000.

The previous prime is 30443999983. The next prime is 30444000047. The reversal of 30444000000 is 44403.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 515999971 + ... + 516000029.

Almost surely, 230444000000 is an apocalyptic number.

30444000000 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 30444000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52696200480).

30444000000 is an abundant number, since it is smaller than the sum of its proper divisors (74948400960).

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

30444000000 is an frugal number, since it uses more digits than its factorization.

30444000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 30444000000 its reverse (44403), we get a palindrome (30444044403).

The spelling of 30444000000 in words is "thirty billion, four hundred forty-four million", and thus it is an aban number.