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2321320211 = 77318612441
BaseRepresentation
bin1000101001011100…
…1000100100010011
312222202222021200122
42022113020210103
514223224221321
61022201540455
7111344616260
oct21227104423
95882867618
102321320211
11a91363261
125494a472b
132acbcb472
1418041c267
15d8bd38ab
hex8a5c8913

2321320211 has 16 divisors (see below), whose sum is σ = 2691826368. Its totient is φ = 1960588800.

The previous prime is 2321320181. The next prime is 2321320217. The reversal of 2321320211 is 1120231232.

Adding to 2321320211 its reverse (1120231232), we get a palindrome (3441551443).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2321320211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2321320211.

It is not an unprimeable number, because it can be changed into a prime (2321320217) 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 15 ways as a sum of consecutive naturals, for example, 949751 + ... + 952191.

It is an arithmetic number, because the mean of its divisors is an integer number (168239148).

Almost surely, 22321320211 is an apocalyptic number.

2321320211 is a deficient number, since it is larger than the sum of its proper divisors (370506157).

2321320211 is a wasteful number, since it uses less digits than its factorization.

2321320211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2321320211 is about 48180.0810605379. The cubic root of 2321320211 is about 1324.0722516575.

The spelling of 2321320211 in words is "two billion, three hundred twenty-one million, three hundred twenty thousand, two hundred eleven".

Divisors: 1 7 73 511 1861 2441 13027 17087 135853 178193 950971 1247351 4542701 31798907 331617173 2321320211