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2216399143 = 7316628449
BaseRepresentation
bin1000010000011011…
…1001000100100111
312201110112202001011
42010012321010213
514014344233033
61003533043051
7105632040040
oct20406710447
95643482034
102216399143
11a38110532
1251a326487
13294253aaa
141705098c7
15ce8aaccd
hex841b9127

2216399143 has 4 divisors (see below), whose sum is σ = 2533027600. Its totient is φ = 1899770688.

The previous prime is 2216399137. The next prime is 2216399147. The reversal of 2216399143 is 3419936122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2216399143 - 229 = 1679528231 is a prime.

It is a super-2 number, since 2×22163991432 = 9824850322182268898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2216399096 and 2216399105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216399147) 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 3 ways as a sum of consecutive naturals, for example, 158314218 + ... + 158314231.

It is an arithmetic number, because the mean of its divisors is an integer number (633256900).

Almost surely, 22216399143 is an apocalyptic number.

2216399143 is a deficient number, since it is larger than the sum of its proper divisors (316628457).

2216399143 is an equidigital number, since it uses as much as digits as its factorization.

2216399143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316628456.

The product of its digits is 69984, while the sum is 40.

The square root of 2216399143 is about 47078.6484831500. The cubic root of 2216399143 is about 1303.8150541194.

The spelling of 2216399143 in words is "two billion, two hundred sixteen million, three hundred ninety-nine thousand, one hundred forty-three".

Divisors: 1 7 316628449 2216399143