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202112112011 = 853236942687
BaseRepresentation
bin1011110000111011010…
…0100001010110001011
3201022200112121002111012
42330032310201112023
511302411200041021
6232503215554135
720413345414655
oct2741664412613
9638615532435
10202112112011
1178796022217
1233206b2b94b
131609ca8acb4
149ad48016d5
1553cdad035b
hex2f0ed2158b

202112112011 has 4 divisors (see below), whose sum is σ = 202349055552. Its totient is φ = 201875168472.

The previous prime is 202112111983. The next prime is 202112112091. The reversal of 202112112011 is 110211211202.

202112112011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 202112112011 - 210 = 202112110987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202112112091) 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 3 ways as a sum of consecutive naturals, for example, 118470491 + ... + 118472196.

It is an arithmetic number, because the mean of its divisors is an integer number (50587263888).

Almost surely, 2202112112011 is an apocalyptic number.

202112112011 is a deficient number, since it is larger than the sum of its proper divisors (236943541).

202112112011 is an equidigital number, since it uses as much as digits as its factorization.

202112112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236943540.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202112112011 its reverse (110211211202), we get a palindrome (312323323213).

It can be divided in two parts, 20211211201 and 1, that added together give a palindrome (20211211202).

The spelling of 202112112011 in words is "two hundred two billion, one hundred twelve million, one hundred twelve thousand, eleven".

Divisors: 1 853 236942687 202112112011