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201010112011 = 284243707177
BaseRepresentation
bin1011101100110100100…
…0101110011000001011
3201012211201222200200101
42323031020232120023
511243132042041021
6232202012150231
720344134521662
oct2731510563013
9635751880611
10201010112011
117827aa71315
1232b59a68377
1315c55689ba7
149a2c301dd9
155366ea1a91
hex2ecd22e60b

201010112011 has 4 divisors (see below), whose sum is σ = 201011103432. Its totient is φ = 201009120592.

The previous prime is 201010111987. The next prime is 201010112071. The reversal of 201010112011 is 110211010102.

201010112011 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-201010112011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201010112071) 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, 69346 + ... + 637831.

It is an arithmetic number, because the mean of its divisors is an integer number (50252775858).

Almost surely, 2201010112011 is an apocalyptic number.

201010112011 is a deficient number, since it is larger than the sum of its proper divisors (991421).

201010112011 is an equidigital number, since it uses as much as digits as its factorization.

201010112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991420.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 201010112011 its reverse (110211010102), we get a palindrome (311221122113).

The spelling of 201010112011 in words is "two hundred one billion, ten million, one hundred twelve thousand, eleven".

Divisors: 1 284243 707177 201010112011