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6142378493 is a prime number
BaseRepresentation
bin1011011100001110…
…10100000111111101
3120212001222011020202
411232013110013331
5100034422102433
62453300253245
7305133233006
oct55607240775
916761864222
106142378493
112672237969
1212350a1225
1376b7298b4
14423ab21ad
1525e3adee8
hex16e1d41fd

6142378493 has 2 divisors, whose sum is σ = 6142378494. Its totient is φ = 6142378492.

The previous prime is 6142378439. The next prime is 6142378519. The reversal of 6142378493 is 3948732416.

Together with previous prime (6142378439) 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., 3986912164 + 2155466329 = 63142^2 + 46427^2 .

It is a cyclic number.

It is not a de Polignac number, because 6142378493 - 218 = 6142116349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6142378793) 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, 3071189246 + 3071189247.

It is an arithmetic number, because the mean of its divisors is an integer number (3071189247).

Almost surely, 26142378493 is an apocalyptic number.

It is an amenable number.

6142378493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6142378493 is an equidigital number, since it uses as much as digits as its factorization.

6142378493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 6142378493 is about 78373.3276886978. The cubic root of 6142378493 is about 1831.3816487214.

The spelling of 6142378493 in words is "six billion, one hundred forty-two million, three hundred seventy-eight thousand, four hundred ninety-three".