Search a number
-
+
68840483843 is a prime number
BaseRepresentation
bin100000000011100110…
…1100110110000000011
320120200121111220201202
41000013031212300003
52111441130440333
651342550251415
74654634313035
oct1000715466003
9216617456652
1068840483843
112721672745a
1211412656b6b
136651159011
143490a23c55
151bcd9205e8
hex1007366c03

68840483843 has 2 divisors, whose sum is σ = 68840483844. Its totient is φ = 68840483842.

The previous prime is 68840483837. The next prime is 68840483863. The reversal of 68840483843 is 34838404886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68840483843 - 26 = 68840483779 is a prime.

It is not a weakly prime, because it can be changed into another prime (68840483863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34420241921 + 34420241922.

It is an arithmetic number, because the mean of its divisors is an integer number (34420241922).

Almost surely, 268840483843 is an apocalyptic number.

68840483843 is a deficient number, since it is larger than the sum of its proper divisors (1).

68840483843 is an equidigital number, since it uses as much as digits as its factorization.

68840483843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14155776, while the sum is 56.

The spelling of 68840483843 in words is "sixty-eight billion, eight hundred forty million, four hundred eighty-three thousand, eight hundred forty-three".