Search a number
-
+
2471471231 is a prime number
BaseRepresentation
bin1001001101001111…
…1010100001111111
320101020111202011112
42103103322201333
520030144034411
61045124112235
7115150105325
oct22323724177
96336452145
102471471231
111059098a09
1258b83567b
13305051018
14196345d15
15e6e92b8b
hex934fa87f

2471471231 has 2 divisors, whose sum is σ = 2471471232. Its totient is φ = 2471471230.

The previous prime is 2471471221. The next prime is 2471471257. The reversal of 2471471231 is 1321741742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2471471231 - 214 = 2471454847 is a prime.

It is a super-2 number, since 2×24714712312 = 12216340091321310722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2471471221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1235735615 + 1235735616.

It is an arithmetic number, because the mean of its divisors is an integer number (1235735616).

Almost surely, 22471471231 is an apocalyptic number.

2471471231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2471471231 is an equidigital number, since it uses as much as digits as its factorization.

2471471231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 32.

The square root of 2471471231 is about 49713.8937420919. The cubic root of 2471471231 is about 1352.0264456199.

The spelling of 2471471231 in words is "two billion, four hundred seventy-one million, four hundred seventy-one thousand, two hundred thirty-one".