Search a number
-
+
63481801171 is a prime number
BaseRepresentation
bin111011000111110011…
…110110100111010011
320001212011012122001011
4323013303312213103
52020002320114141
645055123151351
74405065256345
oct730763664723
9201764178034
1063481801171
1124a16904898
1210377b15557
135ca8bc4179
143103075295
1519b8267881
hexec7cf69d3

63481801171 has 2 divisors, whose sum is σ = 63481801172. Its totient is φ = 63481801170.

The previous prime is 63481801139. The next prime is 63481801213. The reversal of 63481801171 is 17110818436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63481801171 - 25 = 63481801139 is a prime.

It is not a weakly prime, because it can be changed into another prime (63481804171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31740900585 + 31740900586.

It is an arithmetic number, because the mean of its divisors is an integer number (31740900586).

Almost surely, 263481801171 is an apocalyptic number.

63481801171 is a deficient number, since it is larger than the sum of its proper divisors (1).

63481801171 is an equidigital number, since it uses as much as digits as its factorization.

63481801171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 63481801171 in words is "sixty-three billion, four hundred eighty-one million, eight hundred one thousand, one hundred seventy-one".