Search a number
-
+
2210110101205 = 52915242138629
BaseRepresentation
bin100000001010010100110…
…100111101011011010101
321211021200101001220001021
4200022110310331123111
5242202301141214310
64411151025401141
7315450405616546
oct40122464753325
97737611056037
102210110101205
11782336597726
122b84014991b1
13130549310146
1478d815944cd
153c753d0c5da
hex20294d3d6d5

2210110101205 has 8 divisors (see below), whose sum is σ = 2743584953400. Its totient is φ = 1707119526336.

The previous prime is 2210110101203. The next prime is 2210110101229. The reversal of 2210110101205 is 5021010110122.

It can be written as a sum of positive squares in 4 ways, for example, as 180585052209 + 2029525048996 = 424953^2 + 1424614^2 .

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 2210110101205 - 21 = 2210110101203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210110101203) 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, 7621069170 + ... + 7621069459.

It is an arithmetic number, because the mean of its divisors is an integer number (342948119175).

Almost surely, 22210110101205 is an apocalyptic number.

It is an amenable number.

2210110101205 is a deficient number, since it is larger than the sum of its proper divisors (533474852195).

2210110101205 is a wasteful number, since it uses less digits than its factorization.

2210110101205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15242138663.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 2210110101205 its reverse (5021010110122), we get a palindrome (7231120211327).

The spelling of 2210110101205 in words is "two trillion, two hundred ten billion, one hundred ten million, one hundred one thousand, two hundred five".

Divisors: 1 5 29 145 15242138629 76210693145 442022020241 2210110101205