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193693013 is a prime number
BaseRepresentation
bin10111000101110…
…00010101010101
3111111110121212022
423202320111111
5344041134023
631115302525
74541235443
oct1342702525
9444417768
10193693013
119a375478
1254a4aa45
1331189667
141ba1db93
15120107c8
hexb8b8555

193693013 has 2 divisors, whose sum is σ = 193693014. Its totient is φ = 193693012.

The previous prime is 193692937. The next prime is 193693057. The reversal of 193693013 is 310396391.

193693013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169859089 + 23833924 = 13033^2 + 4882^2 .

It is an emirp because it is prime and its reverse (310396391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 193693013 - 216 = 193627477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193693613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96846506 + 96846507.

It is an arithmetic number, because the mean of its divisors is an integer number (96846507).

Almost surely, 2193693013 is an apocalyptic number.

It is an amenable number.

193693013 is a deficient number, since it is larger than the sum of its proper divisors (1).

193693013 is an equidigital number, since it uses as much as digits as its factorization.

193693013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 35.

The square root of 193693013 is about 13917.3637230619. The cubic root of 193693013 is about 578.5905262463.

It can be divided in two parts, 1936 and 93013, that added together give a palindrome (94949).

The spelling of 193693013 in words is "one hundred ninety-three million, six hundred ninety-three thousand, thirteen".