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42580817371 = 1759217919483
BaseRepresentation
bin100111101010000000…
…111011010111011011
311001220112022122101001
4213222000323113123
51144201142123441
631321130405431
73035122655461
oct475200732733
9131815278331
1042580817371
1117070841364
128304290877
13402796a131
1420bd258831
151193378731
hex9ea03b5db

42580817371 has 16 divisors (see below), whose sum is σ = 45873129600. Its totient is φ = 39376706688.

The previous prime is 42580817359. The next prime is 42580817387. The reversal of 42580817371 is 17371808524.

It is not a de Polignac number, because 42580817371 - 27 = 42580817243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42580817341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2175796 + ... + 2195278.

It is an arithmetic number, because the mean of its divisors is an integer number (2867070600).

Almost surely, 242580817371 is an apocalyptic number.

42580817371 is a deficient number, since it is larger than the sum of its proper divisors (3292312229).

42580817371 is a wasteful number, since it uses less digits than its factorization.

42580817371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21738.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 42580817371 in words is "forty-two billion, five hundred eighty million, eight hundred seventeen thousand, three hundred seventy-one".

Divisors: 1 17 59 1003 2179 19483 37043 128561 331211 1149497 2185537 19541449 42453457 721708769 2504753963 42580817371