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11210020321 = 43260698147
BaseRepresentation
bin10100111000010101…
…10101010111100001
31001221020122000221211
422130022311113201
5140424231122241
65052205350121
7544536412663
oct123412652741
931836560854
1011210020321
114832845205
12220a268341
1310985ac826
14784b40533
15459227781
hex29c2b55e1

11210020321 has 4 divisors (see below), whose sum is σ = 11470718512. Its totient is φ = 10949322132.

The previous prime is 11210020259. The next prime is 11210020333. The reversal of 11210020321 is 12302001211.

11210020321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11210020321 - 211 = 11210018273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11210090321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130349031 + ... + 130349116.

It is an arithmetic number, because the mean of its divisors is an integer number (2867679628).

Almost surely, 211210020321 is an apocalyptic number.

It is an amenable number.

11210020321 is a deficient number, since it is larger than the sum of its proper divisors (260698191).

11210020321 is an equidigital number, since it uses as much as digits as its factorization.

11210020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260698190.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11210020321 its reverse (12302001211), we get a palindrome (23512021532).

The spelling of 11210020321 in words is "eleven billion, two hundred ten million, twenty thousand, three hundred twenty-one".

Divisors: 1 43 260698147 11210020321