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505016051 = 67139211257
BaseRepresentation
bin11110000110011…
…110111011110011
31022012021110210012
4132012132323303
52013241003201
6122040125135
715341365001
oct3606367363
91265243705
10505016051
1123a083041
121211667ab
1380820287
144b0dda71
152e5095bb
hex1e19eef3

505016051 has 16 divisors (see below), whose sum is σ = 520705920. Its totient is φ = 489646080.

The previous prime is 505015969. The next prime is 505016053. The reversal of 505016051 is 150610505.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-505016051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505016053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1964915 + ... + 1965171.

It is an arithmetic number, because the mean of its divisors is an integer number (32544120).

Almost surely, 2505016051 is an apocalyptic number.

505016051 is a deficient number, since it is larger than the sum of its proper divisors (15689869).

505016051 is a wasteful number, since it uses less digits than its factorization.

505016051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 505016051 is about 22472.5621814692. The cubic root of 505016051 is about 796.3458610612.

Adding to 505016051 its reverse (150610505), we get a palindrome (655626556).

The spelling of 505016051 in words is "five hundred five million, sixteen thousand, fifty-one".

Divisors: 1 67 139 211 257 9313 14137 17219 29329 35723 54227 1965043 2393441 3633209 7537553 505016051