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550000000565 = 5263857348787
BaseRepresentation
bin10000000000011101000…
…11011111111000110101
31221120122110000220122022
420000032203133320311
533002400000004230
61100355544442525
754510340603631
oct10001643377065
91846573026568
10550000000565
111a2287730a14
128a715a79445
133cb31bbab22
141c897953dc1
15e4904c81e5
hex800e8dfe35

550000000565 has 16 divisors (see below), whose sum is σ = 662600366208. Its totient is φ = 438266884416.

The previous prime is 550000000499. The next prime is 550000000577. The reversal of 550000000565 is 565000000055.

It is a cyclic number.

It is not a de Polignac number, because 550000000565 - 210 = 549999999541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 11249102 + ... + 11297888.

It is an arithmetic number, because the mean of its divisors is an integer number (41412522888).

Almost surely, 2550000000565 is an apocalyptic number.

It is an amenable number.

550000000565 is a deficient number, since it is larger than the sum of its proper divisors (112600365643).

550000000565 is a wasteful number, since it uses less digits than its factorization.

550000000565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57628.

The product of its (nonzero) digits is 3750, while the sum is 26.

The spelling of 550000000565 in words is "five hundred fifty billion, five hundred sixty-five", and thus it is an aban number.

Divisors: 1 5 263 1315 8573 42865 48787 243935 2254699 11273495 12830981 64154905 418250951 2091254755 110000000113 550000000565