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28584939559205 = 5216117971147211
BaseRepresentation
bin1100111111111011100110…
…01010110001100100100101
310202012200201120211022010202
412133331303022301210211
512221313424011343310
6140443423455000245
76010123310165411
oct637756312614445
9122180646738122
1028584939559205
11912089419a787
123257b52509085
1312c4718616863
1470b738905d41
1534885e8b63a5
hex19ff732b1925

28584939559205 has 16 divisors (see below), whose sum is σ = 34319943398208. Its totient is φ = 22855942368000.

The previous prime is 28584939559151. The next prime is 28584939559237. The reversal of 28584939559205 is 50295593948582.

It is not a de Polignac number, because 28584939559205 - 210 = 28584939558181 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, 194103050 + ... + 194250260.

It is an arithmetic number, because the mean of its divisors is an integer number (2144996462388).

Almost surely, 228584939559205 is an apocalyptic number.

It is an amenable number.

28584939559205 is a deficient number, since it is larger than the sum of its proper divisors (5735003839003).

28584939559205 is a wasteful number, since it uses less digits than its factorization.

28584939559205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167348.

The product of its (nonzero) digits is 1399680000, while the sum is 74.

The spelling of 28584939559205 in words is "twenty-eight trillion, five hundred eighty-four billion, nine hundred thirty-nine million, five hundred fifty-nine thousand, two hundred five".

Divisors: 1 5 2161 10805 17971 89855 147211 736055 38835331 194176655 318122971 1590614855 2645528881 13227644405 5716987911841 28584939559205