Search a number
-
+
8799072672 = 2531319433857
BaseRepresentation
bin10000011000111011…
…10011000110100000
3211201020000012112110
420030131303012200
5121010030311142
64013042355320
7431022612045
oct101435630640
924636005473
108799072672
113805935595
12185695bb40
13aa2c5cba0
145d68711cc
1536773c99c
hex20c7731a0

8799072672 has 192 divisors, whose sum is σ = 26274568320. Its totient is φ = 2556002304.

The previous prime is 8799072647. The next prime is 8799072677. The reversal of 8799072672 is 2762709978.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (8799072677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10266868 + ... + 10267724.

It is an arithmetic number, because the mean of its divisors is an integer number (136846710).

Almost surely, 28799072672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8799072672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13137284160).

8799072672 is an abundant number, since it is smaller than the sum of its proper divisors (17475495648).

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

8799072672 is a wasteful number, since it uses less digits than its factorization.

8799072672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 57.

The square root of 8799072672 is about 93803.3723914018. The cubic root of 8799072672 is about 2064.4877084975.

The spelling of 8799072672 in words is "eight billion, seven hundred ninety-nine million, seventy-two thousand, six hundred seventy-two".