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20001100303 = 532617144203
BaseRepresentation
bin10010101000001010…
…001001001000001111
31220121220121011120201
4102220022021020033
5311430240202203
613104404554331
71305434355532
oct225012111017
956556534521
1020001100303
118534110768
123a623b29a7
131b699a16c2
14d7a4d0a19
157c0dd6e1d
hex4a828920f

20001100303 has 8 divisors (see below), whose sum is σ = 20386407888. Its totient is φ = 19616086464.

The previous prime is 20001100283. The next prime is 20001100309. The reversal of 20001100303 is 30300110002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20001100303 - 25 = 20001100271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20001100303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001100309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66600 + ... + 210802.

It is an arithmetic number, because the mean of its divisors is an integer number (2548300986).

Almost surely, 220001100303 is an apocalyptic number.

20001100303 is a deficient number, since it is larger than the sum of its proper divisors (385307585).

20001100303 is a wasteful number, since it uses less digits than its factorization.

20001100303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146873.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 20001100303 its reverse (30300110002), we get a palindrome (50301210305).

The spelling of 20001100303 in words is "twenty billion, one million, one hundred thousand, three hundred three".

Divisors: 1 53 2617 138701 144203 7642759 377379251 20001100303