Search a number
-
+
21210313100011 = 711117272559569
BaseRepresentation
bin1001101001010011010010…
…01011011000101011101011
32210002200112012002101020021
410310221221023120223223
510240002210123200021
6113035514444141311
74316252221436620
oct464515113305353
983080465071207
1021210313100011
11683827487a882
12246684ab37837
13bab17c3c2589
1453482832c347
1526bae0179c41
hex134a692d8aeb

21210313100011 has 8 divisors (see below), whose sum is σ = 24242538394080. Its totient is φ = 18178632947328.

The previous prime is 21210313099993. The next prime is 21210313100027. The reversal of 21210313100011 is 11000131301212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21210313100011 - 217 = 21210312968939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21210313100411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136201966 + ... + 136357603.

It is an arithmetic number, because the mean of its divisors is an integer number (3030317299260).

Almost surely, 221210313100011 is an apocalyptic number.

21210313100011 is a deficient number, since it is larger than the sum of its proper divisors (3032225294069).

21210313100011 is a wasteful number, since it uses less digits than its factorization.

21210313100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272570693.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 21210313100011 its reverse (11000131301212), we get a palindrome (32210444401223).

The spelling of 21210313100011 in words is "twenty-one trillion, two hundred ten billion, three hundred thirteen million, one hundred thousand, eleven".

Divisors: 1 7 11117 77819 272559569 1907916983 3030044728573 21210313100011