Search a number
-
+
80175041760 = 253511194011993
BaseRepresentation
bin100101010101011001…
…1100000110011100000
321122221112111010011010
41022222303200303200
52303144302314020
6100455405220520
75535545416302
oct1125263406340
9248845433133
1080175041760
11310027a25a0
1213656561740
137739490c18
143c48101972
152143a47de0
hex12aace0ce0

80175041760 has 384 divisors, whose sum is σ = 290880253440. Its totient is φ = 18358272000.

The previous prime is 80175041693. The next prime is 80175041783. The reversal of 80175041760 is 6714057108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40227324 + ... + 40229316.

It is an arithmetic number, because the mean of its divisors is an integer number (757500660).

Almost surely, 280175041760 is an apocalyptic number.

80175041760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80175041760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145440126720).

80175041760 is an abundant number, since it is smaller than the sum of its proper divisors (210705211680).

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

80175041760 is a wasteful number, since it uses less digits than its factorization.

80175041760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2434 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

Adding to 80175041760 its reverse (6714057108), we get a palindrome (86889098868).

The spelling of 80175041760 in words is "eighty billion, one hundred seventy-five million, forty-one thousand, seven hundred sixty".