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80563116480 = 2635711299079
BaseRepresentation
bin100101100000111101…
…1111001100111000000
321200221120201100120220
41023001323321213000
52304443124211410
6101002111103040
75551300122420
oct1130173714700
9250846640526
1080563116480
1131191862900
1213744511a80
13779b9b8532
143c83880480
152167b53070
hex12c1ef99c0

80563116480 has 336 divisors, whose sum is σ = 321323573760. Its totient is φ = 16740218880.

The previous prime is 80563116379. The next prime is 80563116481. The reversal of 80563116480 is 8461136508.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80563116481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 763581 + ... + 862659.

It is an arithmetic number, because the mean of its divisors is an integer number (956320160).

Almost surely, 280563116480 is an apocalyptic number.

80563116480 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 80563116480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160661786880).

80563116480 is an abundant number, since it is smaller than the sum of its proper divisors (240760457280).

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

80563116480 is a wasteful number, since it uses less digits than its factorization.

80563116480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99128 (or 99107 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 80563116480 in words is "eighty billion, five hundred sixty-three million, one hundred sixteen thousand, four hundred eighty".