Search a number
-
+
2221014013 = 3496363937
BaseRepresentation
bin1000010001100001…
…1111101111111101
312201210020012110021
42010120133233331
514022034422023
61004220012141
7106016210341
oct20430375775
95653205407
102221014013
11a3a782779
1251b991051
132951ab49a
14170d8b621
15ceebd35d
hex8461fbfd

2221014013 has 4 divisors (see below), whose sum is σ = 2227378300. Its totient is φ = 2214649728.

The previous prime is 2221014001. The next prime is 2221014031. The reversal of 2221014013 is 3104101222.

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 690796089 + 1530217924 = 26283^2 + 39118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2221014013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221014073) 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, 3181620 + ... + 3182317.

It is an arithmetic number, because the mean of its divisors is an integer number (556844575).

Almost surely, 22221014013 is an apocalyptic number.

It is an amenable number.

2221014013 is a deficient number, since it is larger than the sum of its proper divisors (6364287).

2221014013 is an equidigital number, since it uses as much as digits as its factorization.

2221014013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364286.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2221014013 is about 47127.6353427583. The cubic root of 2221014013 is about 1304.7193385562.

Adding to 2221014013 its reverse (3104101222), we get a palindrome (5325115235).

The spelling of 2221014013 in words is "two billion, two hundred twenty-one million, fourteen thousand, thirteen".

Divisors: 1 349 6363937 2221014013