Search a number
-
+
30528624000 = 273537432113
BaseRepresentation
bin11100011011101001…
…011101010110000000
32220210120222210011210
4130123221131112000
51000010311432000
622005154210120
72130346010460
oct343351352600
986716883153
1030528624000
1111a46681076
125abbb83940
132b56a5ca74
141698731ba0
15bda248350
hex71ba5d580

30528624000 has 512 divisors, whose sum is σ = 118405647360. Its totient is φ = 6812467200.

The previous prime is 30528623999. The next prime is 30528624023. The reversal of 30528624000 is 42682503.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 63 ways as a sum of consecutive naturals, for example, 14446944 + ... + 14449056.

It is an arithmetic number, because the mean of its divisors is an integer number (231261030).

Almost surely, 230528624000 is an apocalyptic number.

30528624000 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 30528624000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59202823680).

30528624000 is an abundant number, since it is smaller than the sum of its proper divisors (87877023360).

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

30528624000 is a wasteful number, since it uses less digits than its factorization.

30528624000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195 (or 2173 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 30528624000 in words is "thirty billion, five hundred twenty-eight million, six hundred twenty-four thousand".