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30111010000 = 2454193439
BaseRepresentation
bin11100000010110000…
…011000110011010000
32212201111011210110121
4130002300120303100
5443131404310000
621455515240024
72114115235111
oct340260306320
985644153417
1030111010000
1111851975535
125a04149014
132abb3920a6
1416590a4208
15bb3755b1a
hex702c18cd0

30111010000 has 200 divisors, whose sum is σ = 77126561600. Its totient is φ = 11384496000.

The previous prime is 30111009961. The next prime is 30111010003. The reversal of 30111010000 is 1011103.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111010003) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 68589781 + ... + 68590219.

It is an arithmetic number, because the mean of its divisors is an integer number (385632808).

Almost surely, 230111010000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30111010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38563280800).

30111010000 is an abundant number, since it is smaller than the sum of its proper divisors (47015551600).

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

30111010000 is an frugal number, since it uses more digits than its factorization.

30111010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 7.

Adding to 30111010000 its reverse (1011103), we get a palindrome (30112021103).

The spelling of 30111010000 in words is "thirty billion, one hundred eleven million, ten thousand".