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8421324231248 = 242789625730161
BaseRepresentation
bin111101010001011111000…
…0010100001001001010000
31002211001220120020221212122
41322202332002201021100
52100433333000344443
625524411500313412
71526264156615525
oct172427602411120
932731816227778
108421324231248
112757510a92145
12b40138542868
1349118707a3c6
1421184695514c
15e90d09a4968
hex7a8be0a1250

8421324231248 has 40 divisors (see below), whose sum is σ = 16325315816040. Its totient is φ = 4208340131840.

The previous prime is 8421324231227. The next prime is 8421324231259.

8421324231248 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 5651802531904 + 2769521699344 = 2377352^2 + 1664188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8421324231199 and 8421324231208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279197288 + ... + 279227448.

It is an arithmetic number, because the mean of its divisors is an integer number (408132895401).

Almost surely, 28421324231248 is an apocalyptic number.

It is an amenable number.

8421324231248 is a deficient number, since it is larger than the sum of its proper divisors (7903991584792).

8421324231248 is a wasteful number, since it uses less digits than its factorization.

8421324231248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39215 (or 39209 counting only the distinct ones).

The product of its digits is 589824, while the sum is 44.

The spelling of 8421324231248 in words is "eight trillion, four hundred twenty-one billion, three hundred twenty-four million, two hundred thirty-one thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 2789 5578 6257 11156 12514 22312 25028 30161 44624 50056 60322 100112 120644 241288 482576 17450773 34901546 69803092 84119029 139606184 168238058 188717377 279212368 336476116 377434754 672952232 754869508 1345904464 1509739016 3019478032 526332764453 1052665528906 2105331057812 4210662115624 8421324231248