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231200230000 = 245441607929
BaseRepresentation
bin1101011101010010011…
…0111000101001110000
3211002202202000120220111
43113110212320221300
512241444224330000
6254113435151104
722463233346455
oct3272446705160
9732682016814
10231200230000
118a062558853
12389845a5494
1318a5725932c
14b293ab982c
156032631cba
hex35d49b8a70

231200230000 has 200 divisors, whose sum is σ = 574974449280. Its totient is φ = 89978880000.

The previous prime is 231200229989. The next prime is 231200230007. The reversal of 231200230000 is 32002132.

It is a happy number.

231200230000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (231200230007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 248869536 + ... + 248870464.

Almost surely, 2231200230000 is an apocalyptic number.

231200230000 is a gapful number since it is divisible by the number (20) 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 231200230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287487224640).

231200230000 is an abundant number, since it is smaller than the sum of its proper divisors (343774219280).

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

231200230000 is an equidigital number, since it uses as much as digits as its factorization.

231200230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 231200230000 its reverse (32002132), we get a palindrome (231232232132).

The spelling of 231200230000 in words is "two hundred thirty-one billion, two hundred million, two hundred thirty thousand".