Search a number
-
+
4015070880 = 2535171922947
BaseRepresentation
bin1110111101010001…
…0001111010100000
3101100211001201210220
43233110101322200
531210324232010
61502224523040
7201332353002
oct35724217240
911324051726
104015070880
1117804481a7
12940780480
134bca9a3b2
142a1358372
15187750970
hexef511ea0

4015070880 has 576 divisors, whose sum is σ = 14931786240. Its totient is φ = 902135808.

The previous prime is 4015070879. The next prime is 4015070893. The reversal of 4015070880 is 880705104.

It is a happy number.

4015070880 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40150708802 = 32241588342847948800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 85427017 + ... + 85427063.

It is an arithmetic number, because the mean of its divisors is an integer number (25923240).

Almost surely, 24015070880 is an apocalyptic number.

4015070880 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 4015070880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7465893120).

4015070880 is an abundant number, since it is smaller than the sum of its proper divisors (10916715360).

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

4015070880 is a wasteful number, since it uses less digits than its factorization.

4015070880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 4015070880 is about 63364.5869551755. The cubic root of 4015070880 is about 1589.3921809497.

Adding to 4015070880 its reverse (880705104), we get a palindrome (4895775984).

The spelling of 4015070880 in words is "four billion, fifteen million, seventy thousand, eight hundred eighty".