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550517018577445 = 5538253125171423
BaseRepresentation
bin111110100101100010011101…
…1010101011100101000100101
32200012012220122120101221012001
41331023010323111130220211
51034124132323223434240
65230504005453325301
7223646353632112303
oct17513047325345045
92605186576357161
10550517018577445
1114a458a58046497
12518b1a77796831
131a8246bc0308aa
1499d3247201273
15439a3272d789a
hex1f4b13b55ca25

550517018577445 has 16 divisors (see below), whose sum is σ = 673093140844032. Its totient is φ = 432098671193280.

The previous prime is 550517018577437. The next prime is 550517018577517. The reversal of 550517018577445 is 544775810715055.

It is not a de Polignac number, because 550517018577445 - 23 = 550517018577437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9285004 + ... + 34456426.

It is an arithmetic number, because the mean of its divisors is an integer number (42068321302752).

Almost surely, 2550517018577445 is an apocalyptic number.

It is an amenable number.

550517018577445 is a deficient number, since it is larger than the sum of its proper divisors (122576122266587).

550517018577445 is a wasteful number, since it uses less digits than its factorization.

550517018577445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25254012.

The product of its (nonzero) digits is 137200000, while the sum is 64.

The spelling of 550517018577445 in words is "five hundred fifty trillion, five hundred seventeen billion, eighteen million, five hundred seventy-seven thousand, four hundred forty-five".

Divisors: 1 5 53 265 82531 412655 4374143 21870715 25171423 125857115 1334085419 6670427095 2077422711613 10387113558065 110103403715489 550517018577445