Search a number
-
+
11002311131 = 72972774551
BaseRepresentation
bin10100011111100100…
…11111000111011011
31001101202210022111212
422033302133013123
5140013042424011
65015425413335
7536435046560
oct121762370733
931352708455
1011002311131
114736577219
12217079a24b
131064556596
14765312867
15445d9908b
hex28fc9f1db

11002311131 has 16 divisors (see below), whose sum is σ = 13025725440. Its totient is φ = 9092714400.

The previous prime is 11002311013. The next prime is 11002311139. The reversal of 11002311131 is 13111320011.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-11002311131 is a prime.

It is a super-2 number, since 2×110023111312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11002311139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110306 + ... + 184856.

It is an arithmetic number, because the mean of its divisors is an integer number (814107840).

Almost surely, 211002311131 is an apocalyptic number.

11002311131 is a deficient number, since it is larger than the sum of its proper divisors (2023414309).

11002311131 is an equidigital number, since it uses as much as digits as its factorization.

11002311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75314.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11002311131 its reverse (13111320011), we get a palindrome (24113631142).

The spelling of 11002311131 in words is "eleven billion, two million, three hundred eleven thousand, one hundred thirty-one".

Divisors: 1 7 29 203 727 5089 21083 74551 147581 521857 2161979 15133853 54198577 379390039 1571758733 11002311131