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321532050401 = 1373672163913
BaseRepresentation
bin1001010110111001100…
…11011011101111100001
31010201221010021112001022
410223130303123233201
520231444201103101
6403413151415225
732141602222442
oct4533463335741
91121833245038
10321532050401
111143a7507481
1252394524515
1324421a3ab33
14117c2ab12c9
15856cba5a1b
hex4adccdbbe1

321532050401 has 8 divisors (see below), whose sum is σ = 323892887304. Its totient is φ = 319171415040.

The previous prime is 321532050341. The next prime is 321532050403. The reversal of 321532050401 is 104050235123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2305920400 + 319226130001 = 48020^2 + 565001^2 .

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 321532050401 - 214 = 321532034017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321532050403) 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, 4998821 + ... + 5062733.

It is an arithmetic number, because the mean of its divisors is an integer number (40486610913).

Almost surely, 2321532050401 is an apocalyptic number.

It is an amenable number.

321532050401 is a deficient number, since it is larger than the sum of its proper divisors (2360836903).

321532050401 is a wasteful number, since it uses less digits than its factorization.

321532050401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100771.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 321532050401 its reverse (104050235123), we get a palindrome (425582285524).

The spelling of 321532050401 in words is "three hundred twenty-one billion, five hundred thirty-two million, fifty thousand, four hundred one".

Divisors: 1 137 36721 63913 5030777 8756081 2346949273 321532050401