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160538152261 is a prime number
BaseRepresentation
bin1001010110000011010…
…0011100110101000101
3120100101011212010010011
42111200310130311011
510112240231333021
6201430013430221
714412166531144
oct2254064346505
9510334763104
10160538152261
11620a16689a3
1227143a9b371
13121a58bc506
147aad19b75b
154298d3ede1
hex2560d1cd45

160538152261 has 2 divisors, whose sum is σ = 160538152262. Its totient is φ = 160538152260.

The previous prime is 160538152259. The next prime is 160538152277. The reversal of 160538152261 is 162251835061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144814497025 + 15723655236 = 380545^2 + 125394^2 .

It is an emirp because it is prime and its reverse (162251835061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160538152261 - 21 = 160538152259 is a prime.

Together with 160538152259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160538152231) 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, 80269076130 + 80269076131.

It is an arithmetic number, because the mean of its divisors is an integer number (80269076131).

Almost surely, 2160538152261 is an apocalyptic number.

It is an amenable number.

160538152261 is a deficient number, since it is larger than the sum of its proper divisors (1).

160538152261 is an equidigital number, since it uses as much as digits as its factorization.

160538152261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 160538152261 in words is "one hundred sixty billion, five hundred thirty-eight million, one hundred fifty-two thousand, two hundred sixty-one".