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2203222013 = 9741295501
BaseRepresentation
bin1000001101010010…
…0111111111111101
312200112202021102022
42003110213333331
514003011101023
61002342405525
7105412035536
oct20324477775
95615667368
102203222013
11a30730343
12515a308a5
132915bc085
1416c87968d
15cd6567c8
hex83527ffd

2203222013 has 8 divisors (see below), whose sum is σ = 2226879480. Its totient is φ = 2179584000.

The previous prime is 2203222001. The next prime is 2203222019. The reversal of 2203222013 is 3102223022.

It can be written as a sum of positive squares in 4 ways, for example, as 955860889 + 1247361124 = 30917^2 + 35318^2 .

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 2203222013 - 26 = 2203221949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2203221982 and 2203222000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203222019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397763 + ... + 403263.

It is an arithmetic number, because the mean of its divisors is an integer number (278359935).

Almost surely, 22203222013 is an apocalyptic number.

It is an amenable number.

2203222013 is a deficient number, since it is larger than the sum of its proper divisors (23657467).

2203222013 is an equidigital number, since it uses as much as digits as its factorization.

2203222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9727.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2203222013 is about 46938.4918057664. The cubic root of 2203222013 is about 1301.2260648010.

Adding to 2203222013 its reverse (3102223022), we get a palindrome (5305445035).

The spelling of 2203222013 in words is "two billion, two hundred three million, two hundred twenty-two thousand, thirteen".

Divisors: 1 97 4129 5501 400513 533597 22713629 2203222013