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42530084855 = 513147646993
BaseRepresentation
bin100111100110111111…
…011001011111110111
311001202222212011102222
4213212333121133313
51144100200203410
631312115152555
73033635520326
oct474677313767
9131688764388
1042530084855
1117045140265
1282ab2a575b
13401a2b64ab
1420b66100bd
15118dba6955
hex9e6fd97f7

42530084855 has 8 divisors (see below), whose sum is σ = 51040062672. Its totient is φ = 34021427328.

The previous prime is 42530084803. The next prime is 42530084867. The reversal of 42530084855 is 55848003524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42530084855 - 226 = 42462975991 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 7 ways as a sum of consecutive naturals, for example, 257762 + ... + 389231.

It is an arithmetic number, because the mean of its divisors is an integer number (6380007834).

Almost surely, 242530084855 is an apocalyptic number.

42530084855 is a deficient number, since it is larger than the sum of its proper divisors (8509977817).

42530084855 is a wasteful number, since it uses less digits than its factorization.

42530084855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660145.

The product of its (nonzero) digits is 768000, while the sum is 44.

The spelling of 42530084855 in words is "forty-two billion, five hundred thirty million, eighty-four thousand, eight hundred fifty-five".

Divisors: 1 5 13147 65735 646993 3234965 8506016971 42530084855