Search a number
-
+
2311001011 = 11421149891
BaseRepresentation
bin1000100110111111…
…0001001110110011
312222001120000102001
42021233301032303
514213104013021
61021152434431
7111161120164
oct21157611663
95861500361
102311001011
11a865552a0
12545b48a17
132aaa27527
1417ccd376b
15d7d46091
hex89bf13b3

2311001011 has 8 divisors (see below), whose sum is σ = 2521741248. Its totient is φ = 2100369000.

The previous prime is 2311001003. The next prime is 2311001023. The reversal of 2311001011 is 1101001132.

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 2311001011 - 23 = 2311001003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311001911) 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, 21376 + ... + 71266.

It is an arithmetic number, because the mean of its divisors is an integer number (315217656).

Almost surely, 22311001011 is an apocalyptic number.

2311001011 is a deficient number, since it is larger than the sum of its proper divisors (210740237).

2311001011 is a wasteful number, since it uses less digits than its factorization.

2311001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54113.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 2311001011 is about 48072.8718821749. The cubic root of 2311001011 is about 1322.1073262891.

Adding to 2311001011 its reverse (1101001132), we get a palindrome (3412002143).

The spelling of 2311001011 in words is "two billion, three hundred eleven million, one thousand, eleven".

Divisors: 1 11 4211 46321 49891 548801 210091001 2311001011