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427039615427 = 191319132712841
BaseRepresentation
bin1100011011011011000…
…10110110100111000011
31111211021010101011011212
412031231202312213003
523444034120143202
6524102421000335
742565303561025
oct6155542664703
91454233334155
10427039615427
11155119803707
126a91a8530ab
13313675ac699
1416951398015
15b1956a6652
hex636d8b69c3

427039615427 has 16 divisors (see below), whose sum is σ = 450230246400. Its totient is φ = 403921028160.

The previous prime is 427039615357. The next prime is 427039615451. The reversal of 427039615427 is 724516930724.

It is a cyclic number.

It is not a de Polignac number, because 427039615427 - 222 = 427035421123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427039615027) 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, 33249527 + ... + 33262367.

It is an arithmetic number, because the mean of its divisors is an integer number (28139390400).

Almost surely, 2427039615427 is an apocalyptic number.

427039615427 is a deficient number, since it is larger than the sum of its proper divisors (23190630973).

427039615427 is a wasteful number, since it uses less digits than its factorization.

427039615427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15506.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 427039615427 in words is "four hundred twenty-seven billion, thirty-nine million, six hundred fifteen thousand, four hundred twenty-seven".

Divisors: 1 19 1319 1327 12841 25061 25213 243979 1750313 16937279 17040007 33255947 321808301 323760133 22475769233 427039615427