Search a number
-
+
88080080000 = 275411101991
BaseRepresentation
bin101001000000111111…
…0110101110010000000
322102100110012200000012
41102001332311302000
52420342000030000
6104244033444052
76235464220103
oct1220176656200
9272313180005
1088080080000
11343999aa850
12150a1a10628
1383c9135843
144397d2a73a
152457a36735
hex1481fb5c80

88080080000 has 320 divisors, whose sum is σ = 241815594240. Its totient is φ = 31680000000.

The previous prime is 88080079991. The next prime is 88080080003. The reversal of 88080080000 is 8008088.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (88080080003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 88879505 + ... + 88880495.

It is an arithmetic number, because the mean of its divisors is an integer number (755673732).

Almost surely, 288080080000 is an apocalyptic number.

88080080000 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 88080080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120907797120).

88080080000 is an abundant number, since it is smaller than the sum of its proper divisors (153735514240).

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

88080080000 is a wasteful number, since it uses less digits than its factorization.

88080080000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 32.

Adding to 88080080000 its reverse (8008088), we get a palindrome (88088088088).

The spelling of 88080080000 in words is "eighty-eight billion, eighty million, eighty thousand".