Search a number
-
+
10010101001011 = 20288094933979
BaseRepresentation
bin1001000110101010100010…
…0000111010101100110011
31022102221211011001021021221
42101222220200322230303
52303001141324013021
633142324340325511
72052130430420656
oct221525040725463
938387734037257
1010010101001011
11320a295063641
1211580366a3897
13577c43a49cb7
142686c486389d
151255bbb02241
hex91aa883ab33

10010101001011 has 4 divisors (see below), whose sum is σ = 10010107963800. Its totient is φ = 10010094038224.

The previous prime is 10010101001009. The next prime is 10010101001039. The reversal of 10010101001011 is 11010010101001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10010101001011 - 21 = 10010101001009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10010101000985 and 10010101001003.

It is not an unprimeable number, because it can be changed into a prime (10010101701011) 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, 438181 + ... + 4495798.

It is an arithmetic number, because the mean of its divisors is an integer number (2502526990950).

Almost surely, 210010101001011 is an apocalyptic number.

10010101001011 is a deficient number, since it is larger than the sum of its proper divisors (6962789).

10010101001011 is an equidigital number, since it uses as much as digits as its factorization.

10010101001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6962788.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 10010101001011 its reverse (11010010101001), we get a palindrome (21020111102012).

The spelling of 10010101001011 in words is "ten trillion, ten billion, one hundred one million, one thousand, eleven".

Divisors: 1 2028809 4933979 10010101001011