Search a number
-
+
109478711 is a prime number
BaseRepresentation
bin1101000011010…
…00001100110111
321122000002120002
412201220030313
5211011304321
614510301515
72466360626
oct641501467
9248002502
10109478711
1156885a81
12307b789b
13198b2004
141077b6bd
15992820b
hex6868337

109478711 has 2 divisors, whose sum is σ = 109478712. Its totient is φ = 109478710.

The previous prime is 109478641. The next prime is 109478749. The reversal of 109478711 is 117874901.

It is a happy number.

It is an a-pointer prime, because the next prime (109478749) can be obtained adding 109478711 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109478711 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109478791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54739355 + 54739356.

It is an arithmetic number, because the mean of its divisors is an integer number (54739356).

Almost surely, 2109478711 is an apocalyptic number.

109478711 is a deficient number, since it is larger than the sum of its proper divisors (1).

109478711 is an equidigital number, since it uses as much as digits as its factorization.

109478711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 38.

The square root of 109478711 is about 10463.2074910135. The cubic root of 109478711 is about 478.3839037562.

The spelling of 109478711 in words is "one hundred nine million, four hundred seventy-eight thousand, seven hundred eleven".