Search a number
-
+
4080080000 = 275451001
BaseRepresentation
bin1111001100110001…
…0001010010000000
3101112100101112120002
43303030101102000
531324000030000
61512510135132
7203052051653
oct36314212200
911470345502
104080080000
11180410a547
1295a4b14a8
135003ac329
142a9c3b89a
1518d2e28d5
hexf3311480

4080080000 has 80 divisors (see below), whose sum is σ = 10157303310. Its totient is φ = 1632000000.

The previous prime is 4080079967. The next prime is 4080080077. The reversal of 4080080000 is 800804.

It can be written as a sum of positive squares in 5 ways, for example, as 298321984 + 3781758016 = 17272^2 + 61496^2 .

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 (20).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 54500 + ... + 105500.

Almost surely, 24080080000 is an apocalyptic number.

4080080000 is a gapful number since it is divisible by the number (40) 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 4080080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5078651655).

4080080000 is an abundant number, since it is smaller than the sum of its proper divisors (6077223310).

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

4080080000 is an frugal number, since it uses more digits than its factorization.

4080080000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51035 (or 51008 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 4080080000 is about 63875.5039119066. The cubic root of 4080080000 is about 1597.9243919046.

Adding to 4080080000 its reverse (800804), we get a palindrome (4080880804).

The spelling of 4080080000 in words is "four billion, eighty million, eighty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 625 640 800 1000 1250 1600 2000 2500 3200 4000 5000 8000 10000 16000 20000 40000 51001 80000 102002 204004 255005 408008 510010 816016 1020020 1275025 1632032 2040040 2550050 3264064 4080080 5100100 6375125 6528128 8160160 10200200 12750250 16320320 20400400 25500500 31875625 32640640 40800800 51001000 63751250 81601600 102002000 127502500 163203200 204004000 255005000 408008000 510010000 816016000 1020020000 2040040000 4080080000