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2221010013 = 3740336671
BaseRepresentation
bin1000010001100001…
…1110110001011101
312201210012222222010
42010120132301131
514022034310023
61004215541433
7106016162565
oct20430366135
95653188863
102221010013
11a3a77a772
1251b98a879
132951a9711
14170d89da5
15ceebc093
hex8461ec5d

2221010013 has 4 divisors (see below), whose sum is σ = 2961346688. Its totient is φ = 1480673340.

The previous prime is 2221010009. The next prime is 2221010047. The reversal of 2221010013 is 3100101222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2221010013 - 22 = 2221010009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221010003) 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, 370168333 + ... + 370168338.

It is an arithmetic number, because the mean of its divisors is an integer number (740336672).

Almost surely, 22221010013 is an apocalyptic number.

It is an amenable number.

2221010013 is a deficient number, since it is larger than the sum of its proper divisors (740336675).

2221010013 is an equidigital number, since it uses as much as digits as its factorization.

2221010013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740336674.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2221010013 is about 47127.5929047941. The cubic root of 2221010013 is about 1304.7185552983.

Adding to 2221010013 its reverse (3100101222), we get a palindrome (5321111235).

It can be divided in two parts, 22210 and 10013, that added together give a palindrome (32223).

The spelling of 2221010013 in words is "two billion, two hundred twenty-one million, ten thousand, thirteen".

Divisors: 1 3 740336671 2221010013