Search a number
-
+
68234644427 is a prime number
BaseRepresentation
bin111111100011000110…
…100000101111001011
320112010101112002021212
4333203012200233023
52104221032110202
651202505123335
74633626623255
oct774306405713
9215111462255
1068234644427
1126a35750324
121128378954b
136585797561
14343439acd5
151b9564c652
hexfe31a0bcb

68234644427 has 2 divisors, whose sum is σ = 68234644428. Its totient is φ = 68234644426.

The previous prime is 68234644351. The next prime is 68234644447. The reversal of 68234644427 is 72444643286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68234644427 - 28 = 68234644171 is a prime.

It is not a weakly prime, because it can be changed into another prime (68234644447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34117322213 + 34117322214.

It is an arithmetic number, because the mean of its divisors is an integer number (34117322214).

Almost surely, 268234644427 is an apocalyptic number.

68234644427 is a deficient number, since it is larger than the sum of its proper divisors (1).

68234644427 is an equidigital number, since it uses as much as digits as its factorization.

68234644427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6193152, while the sum is 50.

The spelling of 68234644427 in words is "sixty-eight billion, two hundred thirty-four million, six hundred forty-four thousand, four hundred twenty-seven".