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8941221342500 = 225424953143329
BaseRepresentation
bin1000001000011100101001…
…0100100110110100100100
31011122202212002101122112112
42002013022110212310210
52132443110130430000
631003312415540152
71611660541265666
oct202071224466444
934582762348475
108941221342500
112937a50394837
121004a50b2a658
134cb1cc48a495
1422ca8651a536
151078ad2cd235
hex821ca526d24

8941221342500 has 60 divisors (see below), whose sum is σ = 19553582834940. Its totient is φ = 3576320256000.

The previous prime is 8941221342499. The next prime is 8941221342511. The reversal of 8941221342500 is 52431221498.

It can be written as a sum of positive squares in 10 ways, for example, as 3686737927744 + 5254483414756 = 1920088^2 + 2292266^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 62310836 + ... + 62454164.

It is an arithmetic number, because the mean of its divisors is an integer number (325893047249).

Almost surely, 28941221342500 is an apocalyptic number.

It is an amenable number.

8941221342500 is an abundant number, since it is smaller than the sum of its proper divisors (10612361492440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8941221342500 is a wasteful number, since it uses less digits than its factorization.

8941221342500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168306 (or 168289 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

Adding to 8941221342500 its reverse (52431221498), we get a palindrome (8993652563998).

The spelling of 8941221342500 in words is "eight trillion, nine hundred forty-one billion, two hundred twenty-one million, three hundred forty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 2500 24953 49906 99812 124765 143329 249530 286658 499060 573316 623825 716645 1247650 1433290 2495300 2866580 3119125 3583225 6238250 7166450 12476500 14332900 15595625 17916125 31191250 35832250 62382500 71664500 89580625 179161250 358322500 3576488537 7152977074 14305954148 17882442685 35764885370 71529770740 89412213425 178824426850 357648853700 447061067125 894122134250 1788244268500 2235305335625 4470610671250 8941221342500