Search a number
-
+
18198829887283 is a prime number
BaseRepresentation
bin1000010001101001111101…
…10010100110111100110011
32101102210100202010110022001
410020310332302212330303
54341132200422343113
6102412232123354431
73555551653461313
oct410647662467463
971383322113261
1018198829887283
115887098035451
12205b07b382a17
13a201b080cc56
1446cb842dd443
152185d77477dd
hex108d3eca6f33

18198829887283 has 2 divisors, whose sum is σ = 18198829887284. Its totient is φ = 18198829887282.

The previous prime is 18198829887281. The next prime is 18198829887377. The reversal of 18198829887283 is 38278892889181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18198829887283 - 21 = 18198829887281 is a prime.

Together with 18198829887281, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 18198829887197 and 18198829887206.

It is not a weakly prime, because it can be changed into another prime (18198829887281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9099414943641 + 9099414943642.

It is an arithmetic number, because the mean of its divisors is an integer number (9099414943642).

Almost surely, 218198829887283 is an apocalyptic number.

18198829887283 is a deficient number, since it is larger than the sum of its proper divisors (1).

18198829887283 is an equidigital number, since it uses as much as digits as its factorization.

18198829887283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1783627776, while the sum is 82.

The spelling of 18198829887283 in words is "eighteen trillion, one hundred ninety-eight billion, eight hundred twenty-nine million, eight hundred eighty-seven thousand, two hundred eighty-three".