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8461808713 is a prime number
BaseRepresentation
bin1111110000101110…
…01111010001001001
3210211201101102100201
413320113033101021
5114312210334323
63515353532201
7416456121151
oct77027172111
923751342321
108461808713
11365251a146
121781a14061
13a4b115a07
145a3b5b761
15347d1c8ad
hex1f85cf449

8461808713 has 2 divisors, whose sum is σ = 8461808714. Its totient is φ = 8461808712.

The previous prime is 8461808683. The next prime is 8461808741. The reversal of 8461808713 is 3178081648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8192422144 + 269386569 = 90512^2 + 16413^2 .

It is a cyclic number.

It is not a de Polignac number, because 8461808713 - 225 = 8428254281 is a prime.

It is not a weakly prime, because it can be changed into another prime (8461808743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230904356 + 4230904357.

It is an arithmetic number, because the mean of its divisors is an integer number (4230904357).

Almost surely, 28461808713 is an apocalyptic number.

It is an amenable number.

8461808713 is a deficient number, since it is larger than the sum of its proper divisors (1).

8461808713 is an equidigital number, since it uses as much as digits as its factorization.

8461808713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 8461808713 is about 91988.0900606160. The cubic root of 8461808713 is about 2037.7664193405.

The spelling of 8461808713 in words is "eight billion, four hundred sixty-one million, eight hundred eight thousand, seven hundred thirteen".