Search a number
-
+
80898796064 = 252528087377
BaseRepresentation
bin100101101010111110…
…0011010101000100000
321201210222100122102002
41023111330122220200
52311140042433224
6101055301543132
75562514264202
oct1132574325040
9251728318362
1080898796064
1131344296949
1213818a14aa8
1378233c94c8
143cb62a0772
15218735d9ae
hex12d5f1aa20

80898796064 has 12 divisors (see below), whose sum is σ = 159269504814. Its totient is φ = 40449398016.

The previous prime is 80898796051. The next prime is 80898796067. The reversal of 80898796064 is 46069789808.

It can be written as a sum of positive squares in only one way, i.e., 41987288464 + 38911507600 = 204908^2 + 197260^2 .

It is not an unprimeable number, because it can be changed into a prime (80898796067) by changing a digit.

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 as a sum of consecutive naturals, namely, 1264043657 + ... + 1264043720.

Almost surely, 280898796064 is an apocalyptic number.

It is an amenable number.

80898796064 is a deficient number, since it is larger than the sum of its proper divisors (78370708750).

80898796064 is a wasteful number, since it uses less digits than its factorization.

80898796064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528087387 (or 2528087379 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 65.

The spelling of 80898796064 in words is "eighty billion, eight hundred ninety-eight million, seven hundred ninety-six thousand, sixty-four".

Divisors: 1 2 4 8 16 32 2528087377 5056174754 10112349508 20224699016 40449398032 80898796064