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2321321717 = 112131475729
BaseRepresentation
bin1000101001011100…
…1000111011110101
312222202222100202102
42022113020323311
514223224243332
61022201551445
7111344623541
oct21227107365
95882870672
102321321717
11a91364400
125494a5585
132acbcc060
1418041ca21
15d8bd4062
hex8a5c8ef5

2321321717 has 12 divisors (see below), whose sum is σ = 2747809260. Its totient is φ = 1947960960.

The previous prime is 2321321711. The next prime is 2321321753. The reversal of 2321321717 is 7171231232.

It can be written as a sum of positive squares in 2 ways, for example, as 379509361 + 1941812356 = 19481^2 + 44066^2 .

It is a de Polignac number, because none of the positive numbers 2k-2321321717 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 2321321717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321321711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 736292 + ... + 739437.

It is an arithmetic number, because the mean of its divisors is an integer number (228984105).

Almost surely, 22321321717 is an apocalyptic number.

It is an amenable number.

2321321717 is a deficient number, since it is larger than the sum of its proper divisors (426487543).

2321321717 is a wasteful number, since it uses less digits than its factorization.

2321321717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475764 (or 1475753 counting only the distinct ones).

The product of its digits is 3528, while the sum is 29.

The square root of 2321321717 is about 48180.0966894007. The cubic root of 2321321717 is about 1324.0725379963.

Adding to 2321321717 its reverse (7171231232), we get a palindrome (9492552949).

The spelling of 2321321717 in words is "two billion, three hundred twenty-one million, three hundred twenty-one thousand, seven hundred seventeen".

Divisors: 1 11 13 121 143 1573 1475729 16233019 19184477 178563209 211029247 2321321717