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30330020000 = 25547230949
BaseRepresentation
bin11100001111110011…
…110110000010100000
32220021202021122201002
4130033303312002200
5444103441120000
621533341331132
72122414626200
oct341763660240
986252248632
1030330020000
1111954561a35
125a65566aa8
132b24873cc7
14167a1d4400
15bc7ab78d5
hex70fcf60a0

30330020000 has 180 divisors, whose sum is σ = 86801472450. Its totient is φ = 10398528000.

The previous prime is 30330019919. The next prime is 30330020141. The reversal of 30330020000 is 2003303.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 4580040976 + 25749979024 = 67676^2 + 160468^2 .

It is a super-2 number, since 2×303300200002 (a number of 22 digits) contains 22 as substring.

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 29 ways as a sum of consecutive naturals, for example, 964526 + ... + 995474.

Almost surely, 230330020000 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 30330020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43400736225).

30330020000 is an abundant number, since it is smaller than the sum of its proper divisors (56471452450).

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

30330020000 is an equidigital number, since it uses as much as digits as its factorization.

30330020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30993 (or 30963 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 11.

Adding to 30330020000 its reverse (2003303), we get a palindrome (30332023303).

The spelling of 30330020000 in words is "thirty billion, three hundred thirty million, twenty thousand".