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505055060105 = 5101011012021
BaseRepresentation
bin1110101100101111010…
…00001010000010001001
31210021122011012101001212
413112113220022002021
531233323043410410
61024004042422505
751326510115041
oct7262750120211
91707564171055
10505055060105
11185213461a22
1281a71b01a35
133881b516cbb
141a632738721
15d20e813b05
hex7597a0a089

505055060105 has 4 divisors (see below), whose sum is σ = 606066072132. Its totient is φ = 404044048080.

The previous prime is 505055060101. The next prime is 505055060113. The reversal of 505055060105 is 501060550505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501060550505 = 5100212110101.

It can be written as a sum of positive squares in 2 ways, for example, as 101972287561 + 403082772544 = 319331^2 + 634888^2 .

It is not a de Polignac number, because 505055060105 - 22 = 505055060101 is a prime.

It is a super-2 number, since 2×5050550601052 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (505055060101) 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 in 3 ways as a sum of consecutive naturals, for example, 50505506006 + ... + 50505506015.

It is an arithmetic number, because the mean of its divisors is an integer number (151516518033).

Almost surely, 2505055060105 is an apocalyptic number.

It is an amenable number.

505055060105 is a deficient number, since it is larger than the sum of its proper divisors (101011012027).

505055060105 is a wasteful number, since it uses less digits than its factorization.

505055060105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101011012026.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 505055060105 in words is "five hundred five billion, fifty-five million, sixty thousand, one hundred five".

Divisors: 1 5 101011012021 505055060105