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505051105 = 5137770017
BaseRepresentation
bin11110000110100…
…111011111100001
31022012100020212111
4132012213133201
52013243113410
6122040555321
715341602126
oct3606473741
91265306774
10505051105
1123a0a7409
12121182b41
1380833210
144b10c74d
152e514b8a
hex1e1a77e1

505051105 has 8 divisors (see below), whose sum is σ = 652681512. Its totient is φ = 372960768.

The previous prime is 505051081. The next prime is 505051109. The reversal of 505051105 is 501150505.

It can be written as a sum of positive squares in 4 ways, for example, as 72743841 + 432307264 = 8529^2 + 20792^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505051105 - 225 = 471496673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505051109) 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 7 ways as a sum of consecutive naturals, for example, 3884944 + ... + 3885073.

It is an arithmetic number, because the mean of its divisors is an integer number (81585189).

Almost surely, 2505051105 is an apocalyptic number.

It is an amenable number.

505051105 is a deficient number, since it is larger than the sum of its proper divisors (147630407).

505051105 is a wasteful number, since it uses less digits than its factorization.

505051105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770035.

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 505051105 is about 22473.3420968044. The cubic root of 505051105 is about 796.3642858630.

The spelling of 505051105 in words is "five hundred five million, fifty-one thousand, one hundred five".

Divisors: 1 5 13 65 7770017 38850085 101010221 505051105