Search a number
-
+
2311022223 = 326719919259
BaseRepresentation
bin1000100110111111…
…0110011010001111
312222001121002111200
42021233312122033
514213110202343
61021153120543
7111161236056
oct21157663217
95861532450
102311022223
11a8656a224
12545b59153
132aaa34093
1417ccdb39d
15d7d4c4d3
hex89bf668f

2311022223 has 24 divisors (see below), whose sum is σ = 3405168000. Its totient is φ = 1509981264.

The previous prime is 2311022213. The next prime is 2311022237. The reversal of 2311022223 is 3222201132.

It is not a de Polignac number, because 2311022223 - 28 = 2311021967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311022196 and 2311022205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311022213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110368 + ... + 129626.

It is an arithmetic number, because the mean of its divisors is an integer number (141882000).

Almost surely, 22311022223 is an apocalyptic number.

2311022223 is a deficient number, since it is larger than the sum of its proper divisors (1094145777).

2311022223 is a wasteful number, since it uses less digits than its factorization.

2311022223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19531 (or 19528 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2311022223 is about 48073.0925050594. The cubic root of 2311022223 is about 1322.1113713551. Note that the first 3 decimals are identical.

Adding to 2311022223 its reverse (3222201132), we get a palindrome (5533223355).

The spelling of 2311022223 in words is "two billion, three hundred eleven million, twenty-two thousand, two hundred twenty-three".

Divisors: 1 3 9 67 199 201 597 603 1791 13333 19259 39999 57777 119997 173331 1290353 3832541 3871059 11497623 11613177 34492869 256780247 770340741 2311022223