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2203303121 = 37531123561
BaseRepresentation
bin1000001101010011…
…1011110011010001
312200112220101200022
42003110323303101
514003021144441
61002344233225
7105412524155
oct20324736321
95615811608
102203303121
11a30786278
12515a6b815
13291619c76
1416c89b065
15cd67084b
hex8353bcd1

2203303121 has 8 divisors (see below), whose sum is σ = 2305549224. Its totient is φ = 2103304320.

The previous prime is 2203303097. The next prime is 2203303129. The reversal of 2203303121 is 1213033022.

2203303121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 258052096 + 1945251025 = 16064^2 + 44105^2 .

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 2203303121 - 226 = 2136194257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2203303121.

It is not an unprimeable number, because it can be changed into a prime (2203303129) 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, 559820 + ... + 563741.

It is an arithmetic number, because the mean of its divisors is an integer number (288193653).

Almost surely, 22203303121 is an apocalyptic number.

It is an amenable number.

2203303121 is a deficient number, since it is larger than the sum of its proper divisors (102246103).

2203303121 is a wasteful number, since it uses less digits than its factorization.

2203303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123651.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2203303121 is about 46939.3557795588. The cubic root of 2203303121 is about 1301.2420321052.

Adding to 2203303121 its reverse (1213033022), we get a palindrome (3416336143).

The spelling of 2203303121 in words is "two billion, two hundred three million, three hundred three thousand, one hundred twenty-one".

Divisors: 1 37 53 1961 1123561 41571757 59548733 2203303121