Search a number
-
+
164706123401 is a prime number
BaseRepresentation
bin1001100101100100111…
…1111111111010001001
3120202010122121222122122
42121121033333322021
510144304231422101
6203355343501025
714620366643411
oct2313117777211
9522118558578
10164706123401
1163940349346
1227b078b7775
13126bb262921
147d86957641
15443ebe451b
hex26593ffe89

164706123401 has 2 divisors, whose sum is σ = 164706123402. Its totient is φ = 164706123400.

The previous prime is 164706123371. The next prime is 164706123419. The reversal of 164706123401 is 104321607461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126665521801 + 38040601600 = 355901^2 + 195040^2 .

It is a cyclic number.

It is not a de Polignac number, because 164706123401 - 214 = 164706107017 is a prime.

It is not a weakly prime, because it can be changed into another prime (164706123451) 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, 82353061700 + 82353061701.

It is an arithmetic number, because the mean of its divisors is an integer number (82353061701).

Almost surely, 2164706123401 is an apocalyptic number.

It is an amenable number.

164706123401 is a deficient number, since it is larger than the sum of its proper divisors (1).

164706123401 is an equidigital number, since it uses as much as digits as its factorization.

164706123401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 164706123401 in words is "one hundred sixty-four billion, seven hundred six million, one hundred twenty-three thousand, four hundred one".