Search a number
-
+
8461807147 is a prime number
BaseRepresentation
bin1111110000101110…
…01110111000101011
3210211201101100012201
413320113032320223
5114312210312042
63515353521031
7416456113453
oct77027167053
923751340181
108461807147
113652518a52
121781a13177
13a4b1150a1
145a3b5ad63
15347d1c1b7
hex1f85cee2b

8461807147 has 2 divisors, whose sum is σ = 8461807148. Its totient is φ = 8461807146.

The previous prime is 8461807127. The next prime is 8461807163. The reversal of 8461807147 is 7417081648.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8461807147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8461807097 and 8461807106.

It is not a weakly prime, because it can be changed into another prime (8461807117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230903573 + 4230903574.

It is an arithmetic number, because the mean of its divisors is an integer number (4230903574).

Almost surely, 28461807147 is an apocalyptic number.

8461807147 is a deficient number, since it is larger than the sum of its proper divisors (1).

8461807147 is an equidigital number, since it uses as much as digits as its factorization.

8461807147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 8461807147 is about 91988.0815486441. The cubic root of 8461807147 is about 2037.7662936328.

The spelling of 8461807147 in words is "eight billion, four hundred sixty-one million, eight hundred seven thousand, one hundred forty-seven".