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201201323201 = 1732173679009
BaseRepresentation
bin1011101101100010001…
…0001000110011000001
3201020100001210020010022
42323120202020303001
511244030014320301
6232233002343225
720351646013004
oct2733042106301
9636301706108
10201201323201
11783689a109a
1232bb1abab15
1315c861879c8
149a4987753b
155378b71d1b
hex2ed8888cc1

201201323201 has 8 divisors (see below), whose sum is σ = 213102975240. Its totient is φ = 189307035648.

The previous prime is 201201323131. The next prime is 201201323203. The reversal of 201201323201 is 102323102102.

It can be written as a sum of positive squares in 4 ways, for example, as 149819314225 + 51382008976 = 387065^2 + 226676^2 .

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 201201323201 - 210 = 201201322177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 201201323201.

It is not an unprimeable number, because it can be changed into a prime (201201323203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1784816 + ... + 1894193.

It is an arithmetic number, because the mean of its divisors is an integer number (26637871905).

Almost surely, 2201201323201 is an apocalyptic number.

It is an amenable number.

201201323201 is a deficient number, since it is larger than the sum of its proper divisors (11901652039).

201201323201 is a wasteful number, since it uses less digits than its factorization.

201201323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682243.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201201323201 its reverse (102323102102), we get a palindrome (303524425303).

The spelling of 201201323201 in words is "two hundred one billion, two hundred one million, three hundred twenty-three thousand, two hundred one".

Divisors: 1 17 3217 54689 3679009 62543153 11835371953 201201323201