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30001230000 = 243254726803
BaseRepresentation
bin11011111100001101…
…100111000010110000
32212102211121101121200
4123330031213002300
5442420303330000
621440554251200
72111313150600
oct337415470260
985384541550
1030001230000
11117a5a04165
125993426b00
132aa1705c01
141648688c00
15ba8cbd500
hex6fc3670b0

30001230000 has 450 divisors, whose sum is σ = 122066148204. Its totient is φ = 6856416000.

The previous prime is 30001229977. The next prime is 30001230011. The reversal of 30001230000 is 3210003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (450).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 4406599 + ... + 4413401.

Almost surely, 230001230000 is an apocalyptic number.

30001230000 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 30001230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61033074102).

30001230000 is an abundant number, since it is smaller than the sum of its proper divisors (92064918204).

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

30001230000 is a wasteful number, since it uses less digits than its factorization.

30001230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6851 (or 6820 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

Adding to 30001230000 its reverse (3210003), we get a palindrome (30004440003).

The spelling of 30001230000 in words is "thirty billion, one million, two hundred thirty thousand".