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4905378893 is a prime number
BaseRepresentation
bin1001001000110001…
…00010010001001101
3110122212100001210202
410210120202101031
540021234111033
62130431143245
7232363014122
oct44430422115
913585301722
104905378893
112097a5a848
12b4a974b25
1360237c47c
143476b0749
151da9b58e8
hex12462244d

4905378893 has 2 divisors, whose sum is σ = 4905378894. Its totient is φ = 4905378892.

The previous prime is 4905378871. The next prime is 4905378901. The reversal of 4905378893 is 3988735094.

4905378893 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4077205609 + 828173284 = 63853^2 + 28778^2 .

It is a cyclic number.

It is not a de Polignac number, because 4905378893 - 212 = 4905374797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4905378833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2452689446 + 2452689447.

It is an arithmetic number, because the mean of its divisors is an integer number (2452689447).

Almost surely, 24905378893 is an apocalyptic number.

It is an amenable number.

4905378893 is a deficient number, since it is larger than the sum of its proper divisors (1).

4905378893 is an equidigital number, since it uses as much as digits as its factorization.

4905378893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The square root of 4905378893 is about 70038.4101261586. The cubic root of 4905378893 is about 1699.1205246769.

The spelling of 4905378893 in words is "four billion, nine hundred five million, three hundred seventy-eight thousand, eight hundred ninety-three".