Search a number
-
+
8025103872 = 293219711291
BaseRepresentation
bin1110111100101010…
…10101111000000000
3202201021122111221100
413132111111320000
5112413411310442
63404153454400
7402604154202
oct73625257000
922637574840
108025103872
113448a64355
12167b711400
139ab7c2696
14561b60772
1531e80884c
hex1de555e00

8025103872 has 240 divisors, whose sum is σ = 24742523520. Its totient is φ = 2496614400.

The previous prime is 8025103859. The next prime is 8025103901. The reversal of 8025103872 is 2783015208.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6215547 + ... + 6216837.

It is an arithmetic number, because the mean of its divisors is an integer number (103093848).

Almost surely, 28025103872 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 8025103872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12371261760).

8025103872 is an abundant number, since it is smaller than the sum of its proper divisors (16717419648).

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

8025103872 is a wasteful number, since it uses less digits than its factorization.

8025103872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 8025103872 is about 89582.9440909373. The cubic root of 8025103872 is about 2002.0898049304.

The spelling of 8025103872 in words is "eight billion, twenty-five million, one hundred three thousand, eight hundred seventy-two".