Search a number
-
+
2478225143 is a prime number
BaseRepresentation
bin1001001110110110…
…1011011011110111
320101201012212210102
42103231223123313
520033411201033
61045524544315
7115261365122
oct22355533367
96351185712
102478225143
111061991259
12591b5209b
13306577214
141971c33b9
15e7878de8
hex93b6b6f7

2478225143 has 2 divisors, whose sum is σ = 2478225144. Its totient is φ = 2478225142.

The previous prime is 2478225121. The next prime is 2478225209. The reversal of 2478225143 is 3415228742.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2478225143 is a prime.

It is a super-2 number, since 2×24782251432 = 12283199718794740898, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2478225097 and 2478225106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2478222143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239112571 + 1239112572.

It is an arithmetic number, because the mean of its divisors is an integer number (1239112572).

Almost surely, 22478225143 is an apocalyptic number.

2478225143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478225143 is an equidigital number, since it uses as much as digits as its factorization.

2478225143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 38.

The square root of 2478225143 is about 49781.7752094077. The cubic root of 2478225143 is about 1353.2569086901.

The spelling of 2478225143 in words is "two billion, four hundred seventy-eight million, two hundred twenty-five thousand, one hundred forty-three".