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3154216493 is a prime number
BaseRepresentation
bin1011110000000001…
…1000011000101101
322010211012210121002
42330000120120231
522424434411433
61240553450045
7141110253311
oct27400303055
98124183532
103154216493
11137952259a
12740410925
133b362b6bc
1421ccabb41
15136da79e8
hexbc01862d

3154216493 has 2 divisors, whose sum is σ = 3154216494. Its totient is φ = 3154216492.

The previous prime is 3154216409. The next prime is 3154216511. The reversal of 3154216493 is 3946124513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2836414564 + 317801929 = 53258^2 + 17827^2 .

It is a cyclic number.

It is not a de Polignac number, because 3154216493 - 28 = 3154216237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3154219493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577108246 + 1577108247.

It is an arithmetic number, because the mean of its divisors is an integer number (1577108247).

Almost surely, 23154216493 is an apocalyptic number.

It is an amenable number.

3154216493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3154216493 is an equidigital number, since it uses as much as digits as its factorization.

3154216493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 3154216493 is about 56162.4117448672. The cubic root of 3154216493 is about 1466.5509855443.

The spelling of 3154216493 in words is "three billion, one hundred fifty-four million, two hundred sixteen thousand, four hundred ninety-three".