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2220315143 = 2396535441
BaseRepresentation
bin1000010001010111…
…0101001000000111
312201201220200210012
42010111311020013
514021400041033
61004153020435
7106010236664
oct20425651007
95651820705
102220315143
11a3a3456a2
1251b6b471b
13294cc5357
14170c48a6b
15cedd1248
hex84575207

2220315143 has 4 divisors (see below), whose sum is σ = 2316850608. Its totient is φ = 2123779680.

The previous prime is 2220315133. The next prime is 2220315151. The reversal of 2220315143 is 3415130222.

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 2220315143 - 216 = 2220249607 is a prime.

It is a super-2 number, since 2×22203151432 = 9859598668470220898, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 96535441 = 2220315143 / (2 + 2 + 2 + 0 + 3 + 1 + 5 + 1 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220315133) 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, 48267698 + ... + 48267743.

It is an arithmetic number, because the mean of its divisors is an integer number (579212652).

Almost surely, 22220315143 is an apocalyptic number.

2220315143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2220315143 is a deficient number, since it is larger than the sum of its proper divisors (96535465).

2220315143 is an equidigital number, since it uses as much as digits as its factorization.

2220315143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96535464.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2220315143 is about 47120.2201077202. The cubic root of 2220315143 is about 1304.5824754155.

Adding to 2220315143 its reverse (3415130222), we get a palindrome (5635445365).

The spelling of 2220315143 in words is "two billion, two hundred twenty million, three hundred fifteen thousand, one hundred forty-three".

Divisors: 1 23 96535441 2220315143