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201112023001 = 293686389157
BaseRepresentation
bin1011101101001100110…
…1011110111111011001
3201020002211202022021111
42323103031132333121
511243334134214001
6232220052340321
720346512663401
oct2732315367731
9636084668244
10201112023001
117832254857a
1232b880146a1
1315c7081c456
149a3ba6d801
155370dd2851
hex2ed335efd9

201112023001 has 4 divisors (see below), whose sum is σ = 201798412452. Its totient is φ = 200425633552.

The previous prime is 201112022981. The next prime is 201112023041. The reversal of 201112023001 is 100320211102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 192369960000 + 8742063001 = 438600^2 + 93499^2 .

It is a cyclic number.

It is not a de Polignac number, because 201112023001 - 219 = 201111498713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201112023041) 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, 343194286 + ... + 343194871.

It is an arithmetic number, because the mean of its divisors is an integer number (50449603113).

Almost surely, 2201112023001 is an apocalyptic number.

It is an amenable number.

201112023001 is a deficient number, since it is larger than the sum of its proper divisors (686389451).

201112023001 is an equidigital number, since it uses as much as digits as its factorization.

201112023001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686389450.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201112023001 its reverse (100320211102), we get a palindrome (301432234103).

The spelling of 201112023001 in words is "two hundred one billion, one hundred twelve million, twenty-three thousand, one".

Divisors: 1 293 686389157 201112023001