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2320213211 = 22131048447
BaseRepresentation
bin1000101001001011…
…1010010011011011
312222200220001011122
42022102322103123
514222433310321
61022122115455
7111332326001
oct21222722333
95880801148
102320213211
11a90777588
1254904bb8b
132ac901634
14180210a71
15d8a658ab
hex8a4ba4db

2320213211 has 4 divisors (see below), whose sum is σ = 2321263872. Its totient is φ = 2319162552.

The previous prime is 2320213199. The next prime is 2320213213. The reversal of 2320213211 is 1123120232.

2320213211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2320213211 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 2320213211.

It is not an unprimeable number, because it can be changed into a prime (2320213213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522011 + ... + 526436.

It is an arithmetic number, because the mean of its divisors is an integer number (580315968).

Almost surely, 22320213211 is an apocalyptic number.

2320213211 is a deficient number, since it is larger than the sum of its proper divisors (1050661).

2320213211 is a wasteful number, since it uses less digits than its factorization.

2320213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050660.

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

The square root of 2320213211 is about 48168.5915405464. The cubic root of 2320213211 is about 1323.8617419894.

Adding to 2320213211 its reverse (1123120232), we get a palindrome (3443333443).

The spelling of 2320213211 in words is "two billion, three hundred twenty million, two hundred thirteen thousand, two hundred eleven".

Divisors: 1 2213 1048447 2320213211