Search a number
-
+
6071572081 is a prime number
BaseRepresentation
bin1011010011110010…
…01101011001110001
3120200010201211010001
411221321031121301
544413310301311
62442250510001
7303313340221
oct55171153161
916603654101
106071572081
112636275a73
121215435301
13759b68003
14418520081
152580744c1
hex169e4d671

6071572081 has 2 divisors, whose sum is σ = 6071572082. Its totient is φ = 6071572080.

The previous prime is 6071572061. The next prime is 6071572099. The reversal of 6071572081 is 1802751706.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3359245681 + 2712326400 = 57959^2 + 52080^2 .

It is a cyclic number.

It is not a de Polignac number, because 6071572081 - 27 = 6071571953 is a prime.

It is a super-2 number, since 2×60715720812 = 73727975069557341122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6071572081.

It is not a weakly prime, because it can be changed into another prime (6071572061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3035786040 + 3035786041.

It is an arithmetic number, because the mean of its divisors is an integer number (3035786041).

Almost surely, 26071572081 is an apocalyptic number.

It is an amenable number.

6071572081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6071572081 is an equidigital number, since it uses as much as digits as its factorization.

6071572081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 6071572081 is about 77920.2931270154. The cubic root of 6071572081 is about 1824.3173358155.

The spelling of 6071572081 in words is "six billion, seventy-one million, five hundred seventy-two thousand, eighty-one".