Search a number
-
+
192081101 is a prime number
BaseRepresentation
bin10110111001011…
…10110011001101
3111101102201201212
423130232303031
5343133043401
631020544205
74521443132
oct1334566315
9441381655
10192081101
1199474413
12543b2065
1330a43a74
141b720589
1511ce2dbb
hexb72eccd

192081101 has 2 divisors, whose sum is σ = 192081102. Its totient is φ = 192081100.

The previous prime is 192081091. The next prime is 192081121. The reversal of 192081101 is 101180291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190578025 + 1503076 = 13805^2 + 1226^2 .

It is an emirp because it is prime and its reverse (101180291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 192081101 - 26 = 192081037 is a prime.

It is a super-2 number, since 2×1920811012 = 73790298722744402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p10664240 and since 192081101 and 10664240 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192081121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96040550 + 96040551.

It is an arithmetic number, because the mean of its divisors is an integer number (96040551).

Almost surely, 2192081101 is an apocalyptic number.

It is an amenable number.

192081101 is a deficient number, since it is larger than the sum of its proper divisors (1).

192081101 is an equidigital number, since it uses as much as digits as its factorization.

192081101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 192081101 is about 13859.3326318405. The cubic root of 192081101 is about 576.9810443849.

The spelling of 192081101 in words is "one hundred ninety-two million, eighty-one thousand, one hundred one".