Search a number
-
+
4856879813 is a prime number
BaseRepresentation
bin1001000010111111…
…00001101011000101
3110112111002001120112
410201133201223011
534421330123223
62121535442405
7231233540312
oct44137415305
913474061515
104856879813
112072644765
12b36686405
135c52cb2a6
14341087d09
151d65d5778
hex1217e1ac5

4856879813 has 2 divisors, whose sum is σ = 4856879814. Its totient is φ = 4856879812.

The previous prime is 4856879779. The next prime is 4856879831. The reversal of 4856879813 is 3189786584.

It is a happy number.

Together with next prime (4856879831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2957401924 + 1899477889 = 54382^2 + 43583^2 .

It is a cyclic number.

It is not a de Polignac number, because 4856879813 - 230 = 3783137989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4856875813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2428439906 + 2428439907.

It is an arithmetic number, because the mean of its divisors is an integer number (2428439907).

Almost surely, 24856879813 is an apocalyptic number.

It is an amenable number.

4856879813 is a deficient number, since it is larger than the sum of its proper divisors (1).

4856879813 is an equidigital number, since it uses as much as digits as its factorization.

4856879813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 59.

The square root of 4856879813 is about 69691.3180604299. The cubic root of 4856879813 is about 1693.5022795204.

The spelling of 4856879813 in words is "four billion, eight hundred fifty-six million, eight hundred seventy-nine thousand, eight hundred thirteen".