Search a number
-
+
2010011111111 = 3187630690653
BaseRepresentation
bin11101001111111101111…
…111111000111011000111
321010011012010111222200002
4131033331333320323013
5230413000321023421
64135215241511515
7265134643354643
oct35177577707307
97104163458602
102010011111111
11705493964833
122856787a259b
1311770a642063
146d3dc2a5c23
1537441d32b0b
hex1d3fdff8ec7

2010011111111 has 4 divisors (see below), whose sum is σ = 2010641804952. Its totient is φ = 2009380417272.

The previous prime is 2010011111107. The next prime is 2010011111113. The reversal of 2010011111111 is 1111111100102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2010011111111 - 22 = 2010011111107 is a prime.

It is a Duffinian number.

2010011111111 is a modest number, since divided by 1111111 gives 201001 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2010011111092 and 2010011111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010011111113) 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, 315342140 + ... + 315348513.

It is an arithmetic number, because the mean of its divisors is an integer number (502660451238).

Almost surely, 22010011111111 is an apocalyptic number.

2010011111111 is a deficient number, since it is larger than the sum of its proper divisors (630693841).

2010011111111 is an equidigital number, since it uses as much as digits as its factorization.

2010011111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630693840.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 2010011111111 its reverse (1111111100102), we get a palindrome (3121122211213).

The spelling of 2010011111111 in words is "two trillion, ten billion, eleven million, one hundred eleven thousand, one hundred eleven".

Divisors: 1 3187 630690653 2010011111111