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3143145757 is a prime number
BaseRepresentation
bin1011101101011000…
…1001100100011101
322010001101100101211
42323112021210131
522414121131012
61235520304421
7140614204153
oct27326114435
98101340354
103143145757
111373250a24
12738772111
133b125367b
1421b6293d3
15135e1c6a7
hexbb58991d

3143145757 has 2 divisors, whose sum is σ = 3143145758. Its totient is φ = 3143145756.

The previous prime is 3143145721. The next prime is 3143145767. The reversal of 3143145757 is 7575413413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2919673156 + 223472601 = 54034^2 + 14949^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143145757 - 211 = 3143143709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3143145767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571572878 + 1571572879.

It is an arithmetic number, because the mean of its divisors is an integer number (1571572879).

Almost surely, 23143145757 is an apocalyptic number.

It is an amenable number.

3143145757 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143145757 is an equidigital number, since it uses as much as digits as its factorization.

3143145757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 40.

The square root of 3143145757 is about 56063.7650983235. The cubic root of 3143145757 is about 1464.8331970043.

The spelling of 3143145757 in words is "three billion, one hundred forty-three million, one hundred forty-five thousand, seven hundred fifty-seven".