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52205086565825 = 525732893642497
BaseRepresentation
bin10111101111010111100011…
…01000111110010111000001
320211211202110020120010011012
423313223301220332113001
523320312004130101300
6303010404035130305
713665456466111154
oct1367536150762701
9224752406503135
1052205086565825
11156a8064423286
125a31841a43995
132318bc3053b7b
14cc6a4d931c9b
15607e92917435
hex2f7af1a3e5c1

52205086565825 has 12 divisors (see below), whose sum is σ = 64734438031020. Its totient is φ = 41763984936960.

The previous prime is 52205086565813. The next prime is 52205086565839. The reversal of 52205086565825 is 52856568050225.

It can be written as a sum of positive squares in 6 ways, for example, as 12116219258896 + 40088867306929 = 3480836^2 + 6331577^2 .

It is not a de Polignac number, because 52205086565825 - 216 = 52205086500289 is a prime.

It is a super-3 number, since 3×522050865658253 (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12510977 + ... + 16153473.

It is an arithmetic number, because the mean of its divisors is an integer number (5394536502585).

Almost surely, 252205086565825 is an apocalyptic number.

It is an amenable number.

52205086565825 is a deficient number, since it is larger than the sum of its proper divisors (12529351465195).

52205086565825 is a wasteful number, since it uses less digits than its factorization.

52205086565825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215796 (or 4215791 counting only the distinct ones).

The product of its (nonzero) digits is 57600000, while the sum is 59.

The spelling of 52205086565825 in words is "fifty-two trillion, two hundred five billion, eighty-six million, five hundred sixty-five thousand, eight hundred twenty-five".

Divisors: 1 5 25 573289 2866445 3642497 14332225 18212485 91062425 2088203462633 10441017313165 52205086565825