Search a number
-
+
2011231411 = 7241045539
BaseRepresentation
bin111011111100000…
…1111010010110011
312012011111010211021
41313320033102303
513104333401121
6531323400311
7100561120300
oct16770172263
95164433737
102011231411
11942318a22
12481683097
132608aa577
141511800a7
15bb880641
hex77e0f4b3

2011231411 has 6 divisors (see below), whose sum is σ = 2339595780. Its totient is φ = 1723912596.

The previous prime is 2011231399. The next prime is 2011231421. The reversal of 2011231411 is 1141321102.

It is not a de Polignac number, because 2011231411 - 225 = 1977676979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011231421) 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 5 ways as a sum of consecutive naturals, for example, 20522721 + ... + 20522818.

It is an arithmetic number, because the mean of its divisors is an integer number (389932630).

Almost surely, 22011231411 is an apocalyptic number.

2011231411 is a deficient number, since it is larger than the sum of its proper divisors (328364369).

2011231411 is an equidigital number, since it uses as much as digits as its factorization.

2011231411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41045553 (or 41045546 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 2011231411 is about 44846.7547432364. The cubic root of 2011231411 is about 1262.2750973560.

Adding to 2011231411 its reverse (1141321102), we get a palindrome (3152552513).

The spelling of 2011231411 in words is "two billion, eleven million, two hundred thirty-one thousand, four hundred eleven".

Divisors: 1 7 49 41045539 287318773 2011231411