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21302332300111 = 31687172009681
BaseRepresentation
bin1001101011111110101011…
…11100110001101101001111
32210102111001011110002011111
410311333111330301231033
510243004134032100421
6113150053435032451
74326020436643132
oct465772574615517
983374034402144
1021302332300111
1168732a5261885
12248064bb9b727
13bb6a556521c5
14539077482219
1526e1c890cee1
hex135fd5f31b4f

21302332300111 has 4 divisors (see below), whose sum is σ = 21989504309824. Its totient is φ = 20615160290400.

The previous prime is 21302332300097. The next prime is 21302332300141. The reversal of 21302332300111 is 11100323320312.

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 21302332300111 - 211 = 21302332298063 is a prime.

It is a super-2 number, since 2×213023323001112 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302332300141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343586004810 + ... + 343586004871.

It is an arithmetic number, because the mean of its divisors is an integer number (5497376077456).

Almost surely, 221302332300111 is an apocalyptic number.

21302332300111 is a deficient number, since it is larger than the sum of its proper divisors (687172009713).

21302332300111 is an equidigital number, since it uses as much as digits as its factorization.

21302332300111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687172009712.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21302332300111 its reverse (11100323320312), we get a palindrome (32402655620423).

It can be divided in two parts, 2130233 and 2300111, that added together give a palindrome (4430344).

The spelling of 21302332300111 in words is "twenty-one trillion, three hundred two billion, three hundred thirty-two million, three hundred thousand, one hundred eleven".

Divisors: 1 31 687172009681 21302332300111