Search a number
-
+
80281000801 = 731627675931
BaseRepresentation
bin100101011000100011…
…1101101101101100001
321200012220212101122001
41022301013231231201
52303403414011201
6100514112244001
75541303150631
oct1126107555541
9250186771561
1080281000801
1131057594151
1213685b40601
13775540cb91
143c582046c1
15214cec8301
hex12b11edb61

80281000801 has 8 divisors (see below), whose sum is σ = 81430879904. Its totient is φ = 79132476960.

The previous prime is 80281000783. The next prime is 80281000843. The reversal of 80281000801 is 10800018208.

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 80281000801 - 217 = 80280869729 is a prime.

It is a super-3 number, since 3×802810008013 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 80281000801.

It is not an unprimeable number, because it can be changed into a prime (80281000871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219195 + ... + 456736.

It is an arithmetic number, because the mean of its divisors is an integer number (10178859988).

Almost surely, 280281000801 is an apocalyptic number.

It is an amenable number.

80281000801 is a deficient number, since it is larger than the sum of its proper divisors (1149879103).

80281000801 is a wasteful number, since it uses less digits than its factorization.

80281000801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677631.

The product of its (nonzero) digits is 1024, while the sum is 28.

The spelling of 80281000801 in words is "eighty billion, two hundred eighty-one million, eight hundred one", and thus it is an aban number.

Divisors: 1 73 1627 118771 675931 49342963 1099739737 80281000801