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203020130000 = 2454191099803
BaseRepresentation
bin1011110100010011110…
…0010101011011010000
3201102000211012012000002
42331010330111123100
511311241123130000
6233133253545132
720445012426512
oct2750474253320
9642024165002
10203020130000
1179111630606
123341b0451a8
13161b5c3104c
149b7d247bb2
1554336928d5
hex2f44f156d0

203020130000 has 200 divisors, whose sum is σ = 522202216800. Its totient is φ = 76220352000.

The previous prime is 203020129987. The next prime is 203020130069. The reversal of 203020130000 is 31020302.

203020130000 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 an unprimeable number.

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, 20705099 + ... + 20714901.

It is an arithmetic number, because the mean of its divisors is an integer number (2611011084).

Almost surely, 2203020130000 is an apocalyptic number.

203020130000 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 203020130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261101108400).

203020130000 is an abundant number, since it is smaller than the sum of its proper divisors (319182086800).

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

203020130000 is a wasteful number, since it uses less digits than its factorization.

203020130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9959 (or 9938 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 203020130000 its reverse (31020302), we get a palindrome (203051150302).

The spelling of 203020130000 in words is "two hundred three billion, twenty million, one hundred thirty thousand".