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420143130532555 = 5293121928400779
BaseRepresentation
bin101111110000111100011001…
…0000011001101101011001011
32001002121021212011002000212221
41133201320302003031223023
5420032111112404020210
64045323031205114511
7154332224304265513
oct13741706203155313
92032537764060787
10420143130532555
11111963779093261
123b1566783b8a37
1315058433b4bcb1
1475a7070b98843
153388d489611da
hex17e1e320cdacb

420143130532555 has 16 divisors (see below), whose sum is σ = 521724102328800. Its totient is φ = 324420367864320.

The previous prime is 420143130532547. The next prime is 420143130532579. The reversal of 420143130532555 is 555235031341024.

It is not a de Polignac number, because 420143130532555 - 23 = 420143130532547 is a prime.

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, 463747845 + ... + 464652934.

It is an arithmetic number, because the mean of its divisors is an integer number (32607756395550).

Almost surely, 2420143130532555 is an apocalyptic number.

420143130532555 is a deficient number, since it is larger than the sum of its proper divisors (101580971796245).

420143130532555 is a wasteful number, since it uses less digits than its factorization.

420143130532555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928403934.

The product of its (nonzero) digits is 1080000, while the sum is 43.

Adding to 420143130532555 its reverse (555235031341024), we get a palindrome (975378161873579).

The spelling of 420143130532555 in words is "four hundred twenty trillion, one hundred forty-three billion, one hundred thirty million, five hundred thirty-two thousand, five hundred fifty-five".

Divisors: 1 5 29 145 3121 15605 90509 452545 928400779 4642003895 26923622591 134618112955 2897538831259 14487694156295 84028626106511 420143130532555