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550278653275 = 5213291572571447
BaseRepresentation
bin10000000000111110010…
…10011110010101011011
31221121100212100221022001
420000133022132111123
533003432313401100
61100443341141431
754520263243331
oct10003712362533
91847325327261
10550278653275
111a240aa5490a
128a79325a877
133cb778531a0
141c8c296bb51
15e4a9bbbd6a
hex801f29e55b

550278653275 has 96 divisors (see below), whose sum is σ = 768522061440. Its totient is φ = 388062904320.

The previous prime is 550278653261. The next prime is 550278653347. The reversal of 550278653275 is 572356872055.

550278653275 is a nontrivial binomial coefficient, being equal to C(1049075, 2).

It is not a de Polignac number, because 550278653275 - 219 = 550278128987 is a prime.

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 95 ways as a sum of consecutive naturals, for example, 380288602 + ... + 380290048.

It is an arithmetic number, because the mean of its divisors is an integer number (8005438140).

Almost surely, 2550278653275 is an apocalyptic number.

550278653275 is the 1049074-th triangular number.

550278653275 is the 349692-nd centered nonagonal number.

550278653275 is a deficient number, since it is larger than the sum of its proper divisors (218243408165).

550278653275 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (550278653274) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (1908).

550278653275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 17640000, while the sum is 55.

The spelling of 550278653275 in words is "five hundred fifty billion, two hundred seventy-eight million, six hundred fifty-three thousand, two hundred seventy-five".

Divisors: 1 5 13 25 29 65 145 157 257 325 377 725 785 1285 1447 1885 2041 3341 3925 4553 6425 7235 7453 9425 10205 16705 18811 22765 36175 37265 40349 41963 51025 59189 83525 94055 96889 113825 186325 201745 209815 227179 295945 371879 470275 484445 524537 545519 1008725 1049075 1135895 1170121 1479725 1859395 2422225 2622685 2727595 2953327 4834427 5679475 5850605 6588191 9296975 10784491 13113425 13637975 14766635 15211573 24172135 29253025 32940955 53922455 58385003 73833175 76057865 85646483 120860675 140198383 164704775 269612275 291925015 380289325 428232415 700991915 759005039 1459625075 1693165087 2141162075 3504959575 3795025195 8465825435 18975125975 22011146131 42329127175 110055730655 550278653275