Search a number
-
+
18242600179 is a prime number
BaseRepresentation
bin10000111111010101…
…111111110011110011
31202002100200002220111
4100333111333303303
5244330101201204
612214110122151
71214032354156
oct207725776363
952070602814
1018242600179
117811521581
1236514b0357
131949581a9b
14c50b3bc9d
1571b829d04
hex43f57fcf3

18242600179 has 2 divisors, whose sum is σ = 18242600180. Its totient is φ = 18242600178.

The previous prime is 18242600177. The next prime is 18242600267. The reversal of 18242600179 is 97100624281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18242600179 - 21 = 18242600177 is a prime.

It is a super-2 number, since 2×182426001792 (a number of 21 digits) contains 22 as substring.

Together with 18242600177, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (18242600177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9121300089 + 9121300090.

It is an arithmetic number, because the mean of its divisors is an integer number (9121300090).

Almost surely, 218242600179 is an apocalyptic number.

18242600179 is a deficient number, since it is larger than the sum of its proper divisors (1).

18242600179 is an equidigital number, since it uses as much as digits as its factorization.

18242600179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 18242600179 in words is "eighteen billion, two hundred forty-two million, six hundred thousand, one hundred seventy-nine".