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505050415050550 = 252172326779650273
BaseRepresentation
bin111001011010101110011011…
…0100101010010111100110110
32110020020100101210111200210011
41302311130312211102330312
51012144221222223104200
64550052542503450434
7211244455050530515
oct16265346645227466
92406210353450704
10505050415050550
11136a19750727a66
124878a1a2156a1a
13188a70854a88c5
148ca07db6d467c
153d5c7c114c5ba
hex1cb5736952f36

505050415050550 has 96 divisors (see below), whose sum is σ = 1038285795223872. Its totient is φ = 181801860218880.

The previous prime is 505050415050457. The next prime is 505050415050553. The reversal of 505050415050550 is 55050514050505.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505050415050553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47510214 + ... + 57160486.

It is an arithmetic number, because the mean of its divisors is an integer number (10815477033582).

Almost surely, 2505050415050550 is an apocalyptic number.

505050415050550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505050415050550 is an abundant number, since it is smaller than the sum of its proper divisors (533235380173322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505050415050550 is a wasteful number, since it uses less digits than its factorization.

505050415050550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9653002 (or 9652997 counting only the distinct ones).

The product of its (nonzero) digits is 312500, while the sum is 40.

The spelling of 505050415050550 in words is "five hundred five trillion, fifty billion, four hundred fifteen million, fifty thousand, five hundred fifty".

Divisors: 1 2 5 10 17 23 25 34 46 50 85 115 170 230 391 425 575 782 850 1150 1955 2677 3910 5354 9775 13385 19550 26770 45509 61571 66925 91018 123142 133850 227545 307855 455090 615710 1046707 1137725 1539275 2093414 2275450 3078550 5233535 9650273 10467070 19300546 26167675 48251365 52335350 96502730 164054641 221956279 241256825 328109282 443912558 482513650 820273205 1109781395 1640546410 2219562790 3773256743 4101366025 5548906975 7546513486 8202732050 11097813950 18866283715 25833780821 37732567430 51667561642 94331418575 129168904105 188662837150 258337808210 439174273957 594176958883 645844520525 878348547914 1188353917766 1291689041050 2195871369785 2970884794415 4391742739570 5941769588830 10101008301011 10979356848925 14854423972075 20202016602022 21958713697850 29708847944150 50505041505055 101010083010110 252525207525275 505050415050550