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32420332321 = 132579703781
BaseRepresentation
bin11110001100011001…
…110000001100100001
310002200102120112010221
4132030121300030201
51012344101113241
622521012123041
72225256164206
oct361431601441
9102612515127
1032420332321
1112827483583
126349606481
13309894c4c0
1417d7a7bcad
15c9b3695d1
hex78c670321

32420332321 has 8 divisors (see below), whose sum is σ = 35050060584. Its totient is φ = 29810012160.

The previous prime is 32420332303. The next prime is 32420332337. The reversal of 32420332321 is 12323302423.

It can be written as a sum of positive squares in 4 ways, for example, as 6855840000 + 25564492321 = 82800^2 + 159889^2 .

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 32420332321 - 215 = 32420299553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32420332361) 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, 4848550 + ... + 4855231.

It is an arithmetic number, because the mean of its divisors is an integer number (4381257573).

Almost surely, 232420332321 is an apocalyptic number.

It is an amenable number.

32420332321 is a deficient number, since it is larger than the sum of its proper divisors (2629728263).

32420332321 is a wasteful number, since it uses less digits than its factorization.

32420332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9704051.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 32420332321 its reverse (12323302423), we get a palindrome (44743634744).

The spelling of 32420332321 in words is "thirty-two billion, four hundred twenty million, three hundred thirty-two thousand, three hundred twenty-one".

Divisors: 1 13 257 3341 9703781 126149153 2493871717 32420332321