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3012938857 is a prime number
BaseRepresentation
bin1011001110010101…
…1100110001101001
321202222101011010001
42303211130301221
522132303020412
61214545423001
7134443362205
oct26345346151
97688334101
103012938857
1113067a8615
1270103aa61
13390294976
14208213b05
1512979c957
hexb395cc69

3012938857 has 2 divisors, whose sum is σ = 3012938858. Its totient is φ = 3012938856.

The previous prime is 3012938839. The next prime is 3012938891. The reversal of 3012938857 is 7588392103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2846115801 + 166823056 = 53349^2 + 12916^2 .

It is a cyclic number.

It is not a de Polignac number, because 3012938857 - 231 = 865455209 is a prime.

It is not a weakly prime, because it can be changed into another prime (3012938827) 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, 1506469428 + 1506469429.

It is an arithmetic number, because the mean of its divisors is an integer number (1506469429).

Almost surely, 23012938857 is an apocalyptic number.

It is an amenable number.

3012938857 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012938857 is an equidigital number, since it uses as much as digits as its factorization.

3012938857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 3012938857 is about 54890.2437323793. The cubic root of 3012938857 is about 1444.3200477472.

It can be divided in two parts, 30129 and 38857, that added together give a palindrome (68986).

The spelling of 3012938857 in words is "three billion, twelve million, nine hundred thirty-eight thousand, eight hundred fifty-seven".