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2216000643 = 317347125219
BaseRepresentation
bin1000010000010101…
…0111110010000011
312201102210111101220
42010011113302003
514014244010033
61003520330123
7105625460163
oct20405276203
95642714356
102216000643
11a3796909a
1251a173943
132941445ac
141704445a3
15ce82cbb3
hex84157c83

2216000643 has 16 divisors (see below), whose sum is σ = 3137512320. Its totient is φ = 1386413696.

The previous prime is 2216000627. The next prime is 2216000659. The reversal of 2216000643 is 3460006122.

It is an interprime number because it is at equal distance from previous prime (2216000627) and next prime (2216000659).

It is a cyclic number.

It is not a de Polignac number, because 2216000643 - 24 = 2216000627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2216000663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44913 + ... + 80306.

It is an arithmetic number, because the mean of its divisors is an integer number (196094520).

Almost surely, 22216000643 is an apocalyptic number.

2216000643 is a deficient number, since it is larger than the sum of its proper divisors (921511677).

2216000643 is a wasteful number, since it uses less digits than its factorization.

2216000643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125586.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2216000643 is about 47074.4160133718. The cubic root of 2216000643 is about 1303.7369091332.

Adding to 2216000643 its reverse (3460006122), we get a palindrome (5676006765).

The spelling of 2216000643 in words is "two billion, two hundred sixteen million, six hundred forty-three", and thus it is an aban number.

Divisors: 1 3 17 51 347 1041 5899 17697 125219 375657 2128723 6386169 43450993 130352979 738666881 2216000643