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80080888080 = 24351013303667
BaseRepresentation
bin100101010010100110…
…0010110000100010000
321122200222022121120210
41022211030112010100
52303001201404310
6100442203204120
75533323213624
oct1124514260420
9248628277523
1080080888080
1130a64634536
121362ab16640
137722b1649b
143c397d3184
15213a64a820
hex12a5316110

80080888080 has 80 divisors (see below), whose sum is σ = 250708757184. Its totient is φ = 21143462400.

The previous prime is 80080888061. The next prime is 80080888081. The reversal of 80080888080 is 8088808008.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (80080888081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1627594 + ... + 1676073.

Almost surely, 280080888080 is an apocalyptic number.

80080888080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80080888080 is an abundant number, since it is smaller than the sum of its proper divisors (170627869104).

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

80080888080 is a wasteful number, since it uses less digits than its factorization.

80080888080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303784 (or 3303778 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 48.

It can be divided in two parts, 800808 and 88080, that added together give a palindrome (888888).

The spelling of 80080888080 in words is "eighty billion, eighty million, eight hundred eighty-eight thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 101 120 202 240 303 404 505 606 808 1010 1212 1515 1616 2020 2424 3030 4040 4848 6060 8080 12120 24240 3303667 6607334 9911001 13214668 16518335 19822002 26429336 33036670 39644004 49555005 52858672 66073340 79288008 99110010 132146680 158576016 198220020 264293360 333670367 396440040 667340734 792880080 1001011101 1334681468 1668351835 2002022202 2669362936 3336703670 4004044404 5005055505 5338725872 6673407340 8008088808 10010111010 13346814680 16016177616 20020222020 26693629360 40040444040 80080888080