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20300200111 = 43472097677
BaseRepresentation
bin10010111001111111…
…000111100010101111
31221101202102000101101
4102321333013202233
5313033322400421
613154211423531
71316025565612
oct227177074257
957352360341
1020300200111
118677a2a894
123b265b4ba7
131bb6945839
14da810c179
157dc2b9191
hex4b9fc78af

20300200111 has 4 divisors (see below), whose sum is σ = 20772297832. Its totient is φ = 19828102392.

The previous prime is 20300200103. The next prime is 20300200127. The reversal of 20300200111 is 11100200302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20300200111 - 23 = 20300200103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300200171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236048796 + ... + 236048881.

It is an arithmetic number, because the mean of its divisors is an integer number (5193074458).

Almost surely, 220300200111 is an apocalyptic number.

20300200111 is a deficient number, since it is larger than the sum of its proper divisors (472097721).

20300200111 is an equidigital number, since it uses as much as digits as its factorization.

20300200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472097720.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20300200111 its reverse (11100200302), we get a palindrome (31400400413).

The spelling of 20300200111 in words is "twenty billion, three hundred million, two hundred thousand, one hundred eleven".

Divisors: 1 43 472097677 20300200111