Search a number
-
+
80436804000 = 25353719101499
BaseRepresentation
bin100101011101001101…
…0000011100110100000
321200121210001000102220
41022322122003212200
52304213310212000
6100541355511040
75545204360440
oct1127232034640
9250553030386
1080436804000
113112752a423
121370a158480
13777b791317
143c70ba0120
15215ba021a0
hex12ba6839a0

80436804000 has 768 divisors, whose sum is σ = 320785920000. Its totient is φ = 17210880000.

The previous prime is 80436803987. The next prime is 80436804001. The reversal of 80436804000 is 40863408.

It is not an unprimeable number, because it can be changed into a prime (80436804001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 161195751 + ... + 161196249.

It is an arithmetic number, because the mean of its divisors is an integer number (417690000).

Almost surely, 280436804000 is an apocalyptic number.

80436804000 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 80436804000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160392960000).

80436804000 is an abundant number, since it is smaller than the sum of its proper divisors (240349116000).

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

80436804000 is a wasteful number, since it uses less digits than its factorization.

80436804000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 80436804000 in words is "eighty billion, four hundred thirty-six million, eight hundred four thousand".