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11232310021 = 41479571939
BaseRepresentation
bin10100111010111111…
…10111001100000101
31001222210120110200021
422131133313030011
5141000432410041
65054323215141
7545230026352
oct123537671405
931883513607
1011232310021
114844389849
1222158174b1
1310a00b51ba
14787aa3629
1545b17bcd1
hex29d7f7305

11232310021 has 8 divisors (see below), whose sum is σ = 11530310400. Its totient is φ = 10935454560.

The previous prime is 11232310013. The next prime is 11232310079. The reversal of 11232310021 is 12001323211.

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

It is a cyclic number.

It is not a de Polignac number, because 11232310021 - 23 = 11232310013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11232309977 and 11232310004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11232314021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266331 + ... + 305608.

It is an arithmetic number, because the mean of its divisors is an integer number (1441288800).

Almost surely, 211232310021 is an apocalyptic number.

It is an amenable number.

11232310021 is a deficient number, since it is larger than the sum of its proper divisors (298000379).

11232310021 is an equidigital number, since it uses as much as digits as its factorization.

11232310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572459.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11232310021 its reverse (12001323211), we get a palindrome (23233633232).

The spelling of 11232310021 in words is "eleven billion, two hundred thirty-two million, three hundred ten thousand, twenty-one".

Divisors: 1 41 479 19639 571939 23449499 273958781 11232310021