Search a number
-
+
2385497047 is a prime number
BaseRepresentation
bin1000111000101111…
…1100101111010111
320011020201210202111
42032023330233113
514341141401142
61032413251451
7113054250613
oct21613745727
96136653674
102385497047
11101460726a
12566a93b87
132c02ab61b
14188b66343
15de65de17
hex8e2fcbd7

2385497047 has 2 divisors, whose sum is σ = 2385497048. Its totient is φ = 2385497046.

The previous prime is 2385497033. The next prime is 2385497071. The reversal of 2385497047 is 7407945832.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2385497047 - 223 = 2377108439 is a prime.

It is a super-2 number, since 2×23854970472 = 11381192322491440418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2385497017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1192748523 + 1192748524.

It is an arithmetic number, because the mean of its divisors is an integer number (1192748524).

Almost surely, 22385497047 is an apocalyptic number.

2385497047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2385497047 is an equidigital number, since it uses as much as digits as its factorization.

2385497047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The square root of 2385497047 is about 48841.5504156041. The cubic root of 2385497047 is about 1336.1635732571.

The spelling of 2385497047 in words is "two billion, three hundred eighty-five million, four hundred ninety-seven thousand, forty-seven".