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3385127561 is a prime number
BaseRepresentation
bin1100100111000100…
…1111001010001001
322201220201022000212
43021301033022021
523413043040221
61315523010505
7146613052364
oct31161171211
98656638025
103385127561
1114878a8492
127a5809a35
1341c41957a
142418190db
1514c2bab5b
hexc9c4f289

3385127561 has 2 divisors, whose sum is σ = 3385127562. Its totient is φ = 3385127560.

The previous prime is 3385127479. The next prime is 3385127569. The reversal of 3385127561 is 1657215833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2553381961 + 831745600 = 50531^2 + 28840^2 .

It is a cyclic number.

It is not a de Polignac number, because 3385127561 - 230 = 2311385737 is a prime.

It is a super-2 number, since 2×33851275612 = 22918177208483617442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3385127569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1692563780 + 1692563781.

It is an arithmetic number, because the mean of its divisors is an integer number (1692563781).

Almost surely, 23385127561 is an apocalyptic number.

It is an amenable number.

3385127561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3385127561 is an equidigital number, since it uses as much as digits as its factorization.

3385127561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 41.

The square root of 3385127561 is about 58181.8490682446. The cubic root of 3385127561 is about 1501.4988811454.

The spelling of 3385127561 in words is "three billion, three hundred eighty-five million, one hundred twenty-seven thousand, five hundred sixty-one".