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3144202981 is a prime number
BaseRepresentation
bin1011101101101000…
…1011101011100101
322010010101001122021
42323122023223211
522414403443411
61235555103141
7140626166353
oct27332135345
98103331567
103144202981
111373903267
12738ba1ab1
133b153394a
1421b8227d3
1513607aa71
hexbb68bae5

3144202981 has 2 divisors, whose sum is σ = 3144202982. Its totient is φ = 3144202980.

The previous prime is 3144202967. The next prime is 3144203033. The reversal of 3144202981 is 1892024413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1618050625 + 1526152356 = 40225^2 + 39066^2 .

It is a cyclic number.

It is not a de Polignac number, because 3144202981 - 29 = 3144202469 is a prime.

It is a super-2 number, since 2×31442029812 = 19772024771458572722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3144202781) 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, 1572101490 + 1572101491.

It is an arithmetic number, because the mean of its divisors is an integer number (1572101491).

Almost surely, 23144202981 is an apocalyptic number.

It is an amenable number.

3144202981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144202981 is an equidigital number, since it uses as much as digits as its factorization.

3144202981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 3144202981 is about 56073.1930694160. The cubic root of 3144202981 is about 1464.9974149915.

The spelling of 3144202981 in words is "three billion, one hundred forty-four million, two hundred two thousand, nine hundred eighty-one".