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BaseRepresentation
bin111111100100110…
…0001010100011001
312111122222220021221
41333021201110121
513332044432301
6551401532041
7103601630254
oct17711412431
95448886257
102133202201
119a5156429
124b64a4021
1327cc44530
1416345009b
15c7424da1
hex7f261519

2133202201 has 4 divisors (see below), whose sum is σ = 2297294692. Its totient is φ = 1969109712.

The previous prime is 2133202199. The next prime is 2133202223. The reversal of 2133202201 is 1022023312.

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 649026576 + 1484175625 = 25476^2 + 38525^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133202201 - 21 = 2133202199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133202231) 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, 82046226 + ... + 82046251.

It is an arithmetic number, because the mean of its divisors is an integer number (574323673).

Almost surely, 22133202201 is an apocalyptic number.

It is an amenable number.

2133202201 is a deficient number, since it is larger than the sum of its proper divisors (164092491).

2133202201 is a wasteful number, since it uses less digits than its factorization.

2133202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164092490.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2133202201 is about 46186.6019642060. The cubic root of 2133202201 is about 1287.2928025013.

Adding to 2133202201 its reverse (1022023312), we get a palindrome (3155225513).

The spelling of 2133202201 in words is "two billion, one hundred thirty-three million, two hundred two thousand, two hundred one".

Divisors: 1 13 164092477 2133202201