Search a number
-
+
9681460309 is a prime number
BaseRepresentation
bin10010000010000111…
…10101110001010101
3220222201101010211001
421001003311301111
5124311423212214
64240403143301
7461626024543
oct110103656125
926881333731
109681460309
114118a28474
121a62374b31
13bb39cab51
1467bb24d93
153b9e3ac74
hex2410f5c55

9681460309 has 2 divisors, whose sum is σ = 9681460310. Its totient is φ = 9681460308.

The previous prime is 9681460307. The next prime is 9681460337. The reversal of 9681460309 is 9030641869.

9681460309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8598852900 + 1082607409 = 92730^2 + 32903^2 .

It is a cyclic number.

It is not a de Polignac number, because 9681460309 - 21 = 9681460307 is a prime.

Together with 9681460307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9681460303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4840730154 + 4840730155.

It is an arithmetic number, because the mean of its divisors is an integer number (4840730155).

Almost surely, 29681460309 is an apocalyptic number.

It is an amenable number.

9681460309 is a deficient number, since it is larger than the sum of its proper divisors (1).

9681460309 is an equidigital number, since it uses as much as digits as its factorization.

9681460309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 9681460309 is about 98394.4119805591. The cubic root of 9681460309 is about 2131.3116381539.

The spelling of 9681460309 in words is "nine billion, six hundred eighty-one million, four hundred sixty thousand, three hundred nine".