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321124012001 = 13134211840537
BaseRepresentation
bin1001010110001000111…
…10111000111111100001
31010200212200111000120222
410223010132320333201
520230130221341001
6403304454012425
732125516031222
oct4530436707741
91120780430528
10321124012001
11114208151161
125229b947115
13243883437b0
1411784817249
158546e5561b
hex4ac47b8fe1

321124012001 has 8 divisors (see below), whose sum is σ = 345851814504. Its totient is φ = 296399917440.

The previous prime is 321124011983. The next prime is 321124012009. The reversal of 321124012001 is 100210421123.

It can be written as a sum of positive squares in 4 ways, for example, as 150905056225 + 170218955776 = 388465^2 + 412576^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-321124012001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (321124012009) 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, 745796 + ... + 1094741.

It is an arithmetic number, because the mean of its divisors is an integer number (43231476813).

Almost surely, 2321124012001 is an apocalyptic number.

It is an amenable number.

321124012001 is a deficient number, since it is larger than the sum of its proper divisors (24727802503).

321124012001 is a wasteful number, since it uses less digits than its factorization.

321124012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853971.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 321124012001 its reverse (100210421123), we get a palindrome (421334433124).

The spelling of 321124012001 in words is "three hundred twenty-one billion, one hundred twenty-four million, twelve thousand, one".

Divisors: 1 13 13421 174473 1840537 23926981 24701847077 321124012001