Search a number
-
+
34742744789 is a prime number
BaseRepresentation
bin100000010110110101…
…000011011011010101
310022200021121022010112
4200112311003123111
51032123120313124
623543253332405
72336646313064
oct402665033325
9108607538115
1034742744789
1113809412425
126897337105
133378b40b6c
1419782a21db
15d851b690e
hex816d436d5

34742744789 has 2 divisors, whose sum is σ = 34742744790. Its totient is φ = 34742744788.

The previous prime is 34742744759. The next prime is 34742744797. The reversal of 34742744789 is 98744724743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30639701764 + 4103043025 = 175042^2 + 64055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34742744789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34742744719) 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, 17371372394 + 17371372395.

It is an arithmetic number, because the mean of its divisors is an integer number (17371372395).

Almost surely, 234742744789 is an apocalyptic number.

It is an amenable number.

34742744789 is a deficient number, since it is larger than the sum of its proper divisors (1).

34742744789 is an equidigital number, since it uses as much as digits as its factorization.

34742744789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37933056, while the sum is 59.

The spelling of 34742744789 in words is "thirty-four billion, seven hundred forty-two million, seven hundred forty-four thousand, seven hundred eighty-nine".