Search a number
-
+
68073053 is a prime number
BaseRepresentation
bin1000000111010…
…11011001011101
311202002110200012
410003223121131
5114411314203
610431013005
71454416466
oct403533135
9152073605
1068073053
1135475324
121a96a165
1311145719
14907dd6d
155e99bd8
hex40eb65d

68073053 has 2 divisors, whose sum is σ = 68073054. Its totient is φ = 68073052.

The previous prime is 68073043. The next prime is 68073107. The reversal of 68073053 is 35037086.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49942489 + 18130564 = 7067^2 + 4258^2 .

It is a cyclic number.

It is not a de Polignac number, because 68073053 - 224 = 51295837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68073013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34036526 + 34036527.

It is an arithmetic number, because the mean of its divisors is an integer number (34036527).

Almost surely, 268073053 is an apocalyptic number.

It is an amenable number.

68073053 is a deficient number, since it is larger than the sum of its proper divisors (1).

68073053 is an equidigital number, since it uses as much as digits as its factorization.

68073053 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 32.

The square root of 68073053 is about 8250.6395509682. The cubic root of 68073053 is about 408.3116231504.

The spelling of 68073053 in words is "sixty-eight million, seventy-three thousand, fifty-three".