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19195008071 is a prime number
BaseRepresentation
bin10001111000000111…
…001001010001000111
31211112201210102220212
4101320013021101013
5303302410224241
612452411350035
71246445606441
oct217007112107
954481712825
1019195008071
118160099738
12387845231b
131a6b997855
14d0141b491
15775259beb
hex4781c9447

19195008071 has 2 divisors, whose sum is σ = 19195008072. Its totient is φ = 19195008070.

The previous prime is 19195008061. The next prime is 19195008101. The reversal of 19195008071 is 17080059191.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19195008071 - 214 = 19194991687 is a prime.

It is a super-3 number, since 3×191950080713 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19195008061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9597504035 + 9597504036.

It is an arithmetic number, because the mean of its divisors is an integer number (9597504036).

Almost surely, 219195008071 is an apocalyptic number.

19195008071 is a deficient number, since it is larger than the sum of its proper divisors (1).

19195008071 is an equidigital number, since it uses as much as digits as its factorization.

19195008071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 41.

The spelling of 19195008071 in words is "nineteen billion, one hundred ninety-five million, eight thousand, seventy-one".