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30690727200 = 2533527202981
BaseRepresentation
bin11100100101010011…
…110101010100100000
32221012220000110222000
4130211103311110200
51000323311232300
622033224444000
72134354606530
oct344523652440
987186013860
1030690727200
111201a12a661
125b46319600
132b81508913
1416b208b4c0
15be95b8c00
hex7254f5520

30690727200 has 288 divisors, whose sum is σ = 126855630720. Its totient is φ = 7014988800.

The previous prime is 30690727187. The next prime is 30690727211. The reversal of 30690727200 is 272709603.

It is a tau number, because it is divible by the number of its divisors (288).

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

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, 49710 + ... + 252690.

It is an arithmetic number, because the mean of its divisors is an integer number (440470940).

Almost surely, 230690727200 is an apocalyptic number.

30690727200 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 30690727200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63427815360).

30690727200 is an abundant number, since it is smaller than the sum of its proper divisors (96164903520).

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

30690727200 is a wasteful number, since it uses less digits than its factorization.

30690727200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203017 (or 202998 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The spelling of 30690727200 in words is "thirty billion, six hundred ninety million, seven hundred twenty-seven thousand, two hundred".