Search a number
-
+
80080127591360 = 26513198369121061
BaseRepresentation
bin10010001101010100011011…
…100011110000001111000000
3101111112120210210001102001212
4102031110123203300033000
540444013100130410420
6442152145220545252
722603412133321401
oct2215243343601700
9344476723042055
1080080127591360
1123574878382526
128b94094852228
13358b6a654b380
1415abc826639a8
1593d10420c3c5
hex48d51b8f03c0

80080127591360 has 224 divisors, whose sum is σ = 216195328238400. Its totient is φ = 28008255651840.

The previous prime is 80080127591351. The next prime is 80080127591419. The reversal of 80080127591360 is 6319572108008.

It is a junction number, because it is equal to n+sod(n) for n = 80080127591299 and 80080127591308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661425230 + ... + 661546290.

It is an arithmetic number, because the mean of its divisors is an integer number (965157715350).

Almost surely, 280080127591360 is an apocalyptic number.

80080127591360 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 80080127591360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108097664119200).

80080127591360 is an abundant number, since it is smaller than the sum of its proper divisors (136115200647040).

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

80080127591360 is a wasteful number, since it uses less digits than its factorization.

80080127591360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129479 (or 129469 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

Adding to 80080127591360 its reverse (6319572108008), we get a palindrome (86399699699368).

The spelling of 80080127591360 in words is "eighty trillion, eighty billion, one hundred twenty-seven million, five hundred ninety-one thousand, three hundred sixty".