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203130130000 = 245476434513
BaseRepresentation
bin1011110100101101111…
…1111100111001010000
3201102022111011202122011
42331023133330321100
511312002303130000
6233152223352304
720450516421310
oct2751337747120
9642274152564
10203130130000
11791687321a6
123344ba52694
13162029663c5
149b8dabd440
15543d1702ba
hex2f4b7fce50

203130130000 has 200 divisors, whose sum is σ = 563054115008. Its totient is φ = 69520896000.

The previous prime is 203130129997. The next prime is 203130130019. The reversal of 203130130000 is 31031302.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45007744 + ... + 45012256.

Almost surely, 2203130130000 is an apocalyptic number.

203130130000 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 203130130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281527057504).

203130130000 is an abundant number, since it is smaller than the sum of its proper divisors (359923985008).

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

203130130000 is an equidigital number, since it uses as much as digits as its factorization.

203130130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191 (or 5170 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 203130130000 its reverse (31031302), we get a palindrome (203161161302).

The spelling of 203130130000 in words is "two hundred three billion, one hundred thirty million, one hundred thirty thousand".