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8318472863 is a prime number
BaseRepresentation
bin1111011111101000…
…11101001010011111
3210110201200012112112
413233310131022133
5114014012112423
63453233424235
7413065565321
oct75764351237
923421605475
108318472863
113589619868
121741a0b07b
13a2750b1bc
1458cac9611
1533a457a78
hex1efd1d29f

8318472863 has 2 divisors, whose sum is σ = 8318472864. Its totient is φ = 8318472862.

The previous prime is 8318472803. The next prime is 8318472871. The reversal of 8318472863 is 3682748138.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8318472863 - 210 = 8318471839 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8318472803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4159236431 + 4159236432.

It is an arithmetic number, because the mean of its divisors is an integer number (4159236432).

Almost surely, 28318472863 is an apocalyptic number.

8318472863 is a deficient number, since it is larger than the sum of its proper divisors (1).

8318472863 is an equidigital number, since it uses as much as digits as its factorization.

8318472863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 50.

The square root of 8318472863 is about 91205.6624503106. The cubic root of 8318472863 is about 2026.1948230340.

The spelling of 8318472863 in words is "eight billion, three hundred eighteen million, four hundred seventy-two thousand, eight hundred sixty-three".