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161354524679 is a prime number
BaseRepresentation
bin1001011001000101111…
…0101010100000000111
3120102111002000010112122
42112101132222200013
510120423224242204
6202043015240155
714441341554515
oct2262136524007
9512432003478
10161354524679
1162480471647
122733137905b
13122a5a8560a
147b497894b5
1542e584d0be
hex25917aa807

161354524679 has 2 divisors, whose sum is σ = 161354524680. Its totient is φ = 161354524678.

The previous prime is 161354524607. The next prime is 161354524717. The reversal of 161354524679 is 976425453161.

It is a strong prime.

It is an emirp because it is prime and its reverse (976425453161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-161354524679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161354524679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161354524879) 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, 80677262339 + 80677262340.

It is an arithmetic number, because the mean of its divisors is an integer number (80677262340).

Almost surely, 2161354524679 is an apocalyptic number.

161354524679 is a deficient number, since it is larger than the sum of its proper divisors (1).

161354524679 is an equidigital number, since it uses as much as digits as its factorization.

161354524679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 53.

The spelling of 161354524679 in words is "one hundred sixty-one billion, three hundred fifty-four million, five hundred twenty-four thousand, six hundred seventy-nine".