Search a number
-
+
17248895981 is a prime number
BaseRepresentation
bin10000000100000111…
…010100001111101101
31122112002211201000022
4100010013110033231
5240311204132411
611531331411525
71150305124322
oct200407241755
948462751008
1017248895981
117351608939
123414753ba5
13181b73a435
14b98b8cb49
156ae48dedb
hex4041d43ed

17248895981 has 2 divisors, whose sum is σ = 17248895982. Its totient is φ = 17248895980.

The previous prime is 17248895959. The next prime is 17248896011. The reversal of 17248895981 is 18959884271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8856503881 + 8392392100 = 94109^2 + 91610^2 .

It is a cyclic number.

It is not a de Polignac number, because 17248895981 - 218 = 17248633837 is a prime.

It is a super-2 number, since 2×172488959812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17248895921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8624447990 + 8624447991.

It is an arithmetic number, because the mean of its divisors is an integer number (8624447991).

Almost surely, 217248895981 is an apocalyptic number.

It is an amenable number.

17248895981 is a deficient number, since it is larger than the sum of its proper divisors (1).

17248895981 is an equidigital number, since it uses as much as digits as its factorization.

17248895981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11612160, while the sum is 62.

The spelling of 17248895981 in words is "seventeen billion, two hundred forty-eight million, eight hundred ninety-five thousand, nine hundred eighty-one".