Search a number
-
+
3147650161 is a prime number
BaseRepresentation
bin1011101110011101…
…0101010001110001
322010100212012021121
42323213111101301
522421244301121
61240201022241
7141000404425
oct27347252161
98110765247
103147650161
111375848177
1273a184981
133b216c9b6
1421c07cb85
1513650c141
hexbb9d5471

3147650161 has 2 divisors, whose sum is σ = 3147650162. Its totient is φ = 3147650160.

The previous prime is 3147650159. The next prime is 3147650173. The reversal of 3147650161 is 1610567413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2100480561 + 1047169600 = 45831^2 + 32360^2 .

It is a cyclic number.

It is not a de Polignac number, because 3147650161 - 21 = 3147650159 is a prime.

It is a super-3 number, since 3×31476501613 (a number of 29 digits) contains 333 as substring.

Together with 3147650159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3147650141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573825080 + 1573825081.

It is an arithmetic number, because the mean of its divisors is an integer number (1573825081).

Almost surely, 23147650161 is an apocalyptic number.

It is an amenable number.

3147650161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3147650161 is an equidigital number, since it uses as much as digits as its factorization.

3147650161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 3147650161 is about 56103.9228664093. The cubic root of 3147650161 is about 1465.5326078912.

The spelling of 3147650161 in words is "three billion, one hundred forty-seven million, six hundred fifty thousand, one hundred sixty-one".