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2220000013 = 71128831169
BaseRepresentation
bin1000010001010010…
…1000001100001101
312201201022200111201
42010110220030031
514021310000023
61004142145501
7106004455150
oct20424501415
95651280451
102220000013
11a3a14a960
1251b582291
13294c14a9a
14170ba5c97
15ced6cbad
hex8452830d

2220000013 has 8 divisors (see below), whose sum is σ = 2767792320. Its totient is φ = 1729870080.

The previous prime is 2219999989. The next prime is 2220000031. The reversal of 2220000013 is 3100000222.

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 2220000013 - 229 = 1683129101 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 (2220000053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14415508 + ... + 14415661.

It is an arithmetic number, because the mean of its divisors is an integer number (345974040).

Almost surely, 22220000013 is an apocalyptic number.

It is an amenable number.

2220000013 is a deficient number, since it is larger than the sum of its proper divisors (547792307).

2220000013 is a wasteful number, since it uses less digits than its factorization.

2220000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28831187.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2220000013 is about 47116.8760955138. The cubic root of 2220000013 is about 1304.5207525668.

Adding to 2220000013 its reverse (3100000222), we get a palindrome (5320000235).

The spelling of 2220000013 in words is "two billion, two hundred twenty million, thirteen", and thus it is an aban number.

Divisors: 1 7 11 77 28831169 201818183 317142859 2220000013