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13124204033245 = 53985765856457
BaseRepresentation
bin1011111011111011011110…
…0001001111010011011101
31201110122212100022011012221
42332332313201033103131
53210011332213030440
643525102012025341
72523123003433444
oct276766741172335
951418770264187
1013124204033245
1141aaa42036258
12157b685462251
137427b7b31206
14335301833d5b
1517b5cd766d4a
hexbefb784f4dd

13124204033245 has 8 divisors (see below), whose sum is σ = 15749440217784. Its totient is φ = 10499099641344.

The previous prime is 13124204033219. The next prime is 13124204033257. The reversal of 13124204033245 is 54233040242131.

It can be written as a sum of positive squares in 4 ways, for example, as 7887621697081 + 5236582336164 = 2808491^2 + 2288358^2 .

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 13124204033245 - 27 = 13124204033117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13124204033245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32728944 + ... + 33127513.

It is an arithmetic number, because the mean of its divisors is an integer number (1968680027223).

Almost surely, 213124204033245 is an apocalyptic number.

It is an amenable number.

13124204033245 is a deficient number, since it is larger than the sum of its proper divisors (2625236184539).

13124204033245 is an equidigital number, since it uses as much as digits as its factorization.

13124204033245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65896319.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 13124204033245 its reverse (54233040242131), we get a palindrome (67357244275376).

The spelling of 13124204033245 in words is "thirteen trillion, one hundred twenty-four billion, two hundred four million, thirty-three thousand, two hundred forty-five".

Divisors: 1 5 39857 199285 65856457 329282285 2624840806649 13124204033245