Search a number
-
+
11101010687813 is a prime number
BaseRepresentation
bin1010000110001010011111…
…0011000111011101000101
31110022020122112002021121002
42201202213303013131011
52423334332214002223
635335422305103045
72224010251645454
oct241424763073505
943266575067532
1011101010687813
11359aa041487a2
1212b354a027a85
13626a89443607
142a5412926b9b
15143b694d6e28
hexa18a7cc7745

11101010687813 has 2 divisors, whose sum is σ = 11101010687814. Its totient is φ = 11101010687812.

The previous prime is 11101010687803. The next prime is 11101010687821. The reversal of 11101010687813 is 31878601010111.

11101010687813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11046629380609 + 54381307204 = 3323647^2 + 233198^2 .

It is an emirp because it is prime and its reverse (31878601010111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11101010687813 - 210 = 11101010686789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101010687803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550505343906 + 5550505343907.

It is an arithmetic number, because the mean of its divisors is an integer number (5550505343907).

Almost surely, 211101010687813 is an apocalyptic number.

It is an amenable number.

11101010687813 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101010687813 is an equidigital number, since it uses as much as digits as its factorization.

11101010687813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 38.

Adding to 11101010687813 its reverse (31878601010111), we get a palindrome (42979611697924).

The spelling of 11101010687813 in words is "eleven trillion, one hundred one billion, ten million, six hundred eighty-seven thousand, eight hundred thirteen".