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8075750827525 = 521719001766653
BaseRepresentation
bin111010110000100100001…
…0000100110011000000101
31001121000220221221011000221
41311201020100212120011
52024303114202440100
625101540531104341
71462311430300003
oct165411020463005
931530827834027
108075750827525
1126339a7898127
12aa51747420b1
134677035c4724
141dcc22d61a73
15e010739001a
hex75848426605

8075750827525 has 12 divisors (see below), whose sum is σ = 10602985792932. Its totient is φ = 6080565328640.

The previous prime is 8075750827513. The next prime is 8075750827553. The reversal of 8075750827525 is 5257280575708.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3157729 + 8075747669796 = 1777^2 + 2841786^2 .

It is not a de Polignac number, because 8075750827525 - 219 = 8075750303237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9500882902 + ... + 9500883751.

It is an arithmetic number, because the mean of its divisors is an integer number (883582149411).

Almost surely, 28075750827525 is an apocalyptic number.

8075750827525 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8075750827525 is a deficient number, since it is larger than the sum of its proper divisors (2527234965407).

8075750827525 is a wasteful number, since it uses less digits than its factorization.

8075750827525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19001766680 (or 19001766675 counting only the distinct ones).

The product of its (nonzero) digits is 54880000, while the sum is 61.

The spelling of 8075750827525 in words is "eight trillion, seventy-five billion, seven hundred fifty million, eight hundred twenty-seven thousand, five hundred twenty-five".

Divisors: 1 5 17 25 85 425 19001766653 95008833265 323030033101 475044166325 1615150165505 8075750827525