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161135050079 is a prime number
BaseRepresentation
bin1001011000010001100…
…1011011110101011111
3120101220210000122222202
42112010121123311133
510120001033100304
6202005135202115
714433035220053
oct2260431336537
9511823018882
10161135050079
1162378598083
122728b97633b
131226c4700a3
147b28577c63
1542d144881e
hex258465bd5f

161135050079 has 2 divisors, whose sum is σ = 161135050080. Its totient is φ = 161135050078.

The previous prime is 161135050067. The next prime is 161135050081. The reversal of 161135050079 is 970050531161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161135050079 - 220 = 161134001503 is a prime.

Together with 161135050081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161135050019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80567525039 + 80567525040.

It is an arithmetic number, because the mean of its divisors is an integer number (80567525040).

Almost surely, 2161135050079 is an apocalyptic number.

161135050079 is a deficient number, since it is larger than the sum of its proper divisors (1).

161135050079 is an equidigital number, since it uses as much as digits as its factorization.

161135050079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 38.

The spelling of 161135050079 in words is "one hundred sixty-one billion, one hundred thirty-five million, fifty thousand, seventy-nine".