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505213610050 = 25217594368953
BaseRepresentation
bin1110101101000010001…
…00111110100001000010
31210022001012112112201001
413112201010332201002
531234134141010200
61024031505002214
751333443554552
oct7264104764102
91708035475631
10505213610050
11185294a03936
1281ab702336a
133884531a736
141a64980b162
15d21d6d176a
hex75a113e842

505213610050 has 24 divisors (see below), whose sum is σ = 994973628996. Its totient is φ = 190198064640.

The previous prime is 505213610029. The next prime is 505213610063. The reversal of 505213610050 is 50016312505.

It can be written as a sum of positive squares in 6 ways, for example, as 410116002409 + 95097607641 = 640403^2 + 308379^2 .

It is a super-2 number, since 2×5052136100502 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 297183627 + ... + 297185326.

Almost surely, 2505213610050 is an apocalyptic number.

505213610050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505213610050 is a deficient number, since it is larger than the sum of its proper divisors (489760018946).

505213610050 is a wasteful number, since it uses less digits than its factorization.

505213610050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594368982 (or 594368977 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 505213610050 its reverse (50016312505), we get a palindrome (555229922555).

The spelling of 505213610050 in words is "five hundred five billion, two hundred thirteen million, six hundred ten thousand, fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 425 850 594368953 1188737906 2971844765 5943689530 10104272201 14859223825 20208544402 29718447650 50521361005 101042722010 252606805025 505213610050