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192019001 is a prime number
BaseRepresentation
bin10110111000111…
…11101000111001
3111101022120112212
423130133220321
5343124102001
631015344505
74521064106
oct1334375071
9441276485
10192019001
1199431799
1254382135
1330a21715
141b705aad
1511cce7bb
hexb71fa39

192019001 has 2 divisors, whose sum is σ = 192019002. Its totient is φ = 192019000.

The previous prime is 192018971. The next prime is 192019027. The reversal of 192019001 is 100910291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151314601 + 40704400 = 12301^2 + 6380^2 .

It is an emirp because it is prime and its reverse (100910291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 192019001 - 214 = 192002617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (192015001) 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, 96009500 + 96009501.

It is an arithmetic number, because the mean of its divisors is an integer number (96009501).

Almost surely, 2192019001 is an apocalyptic number.

It is an amenable number.

192019001 is a deficient number, since it is larger than the sum of its proper divisors (1).

192019001 is an equidigital number, since it uses as much as digits as its factorization.

192019001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 192019001 is about 13857.0920831176. The cubic root of 192019001 is about 576.9188581786.

Adding to 192019001 its reverse (100910291), we get a palindrome (292929292).

The spelling of 192019001 in words is "one hundred ninety-two million, nineteen thousand, one".