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52975006569 = 3217245132
BaseRepresentation
bin110001010101100011…
…100111001101101001
312001201220211011102100
4301111203213031221
51331443100202234
640200354124013
73553525061202
oct612543471551
9161656734370
1052975006569
1120515012571
12a325280609
134cc3213044
1427c78ac5a9
1515a0b4d399
hexc558e7369

52975006569 has 27 divisors (see below), whose sum is σ = 81303386853. Its totient is φ = 33231854592.

The previous prime is 52975006531. The next prime is 52975006573. The reversal of 52975006569 is 96560057925.

It is a happy number.

The square root of 52975006569 is 230163.

It is a perfect power (a square), and thus also a powerful number.

52975006569 is a `hidden beast` number, since 5 + 2 + 9 + 75 + 0 + 0 + 6 + 569 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10818704169 + 42156302400 = 104013^2 + 205320^2 .

It is not a de Polignac number, because 52975006569 - 215 = 52974973801 is a prime.

It is a super-2 number, since 2×529750065692 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52975006529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11736057 + ... + 11740569.

Almost surely, 252975006569 is an apocalyptic number.

52975006569 is the 230163-rd square number.

52975006569 is the 115082-nd centered octagonal number.

It is an amenable number.

52975006569 is a deficient number, since it is larger than the sum of its proper divisors (28328380284).

52975006569 is an frugal number, since it uses more digits than its factorization.

52975006569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9066 (or 4533 counting only the distinct ones).

The product of its (nonzero) digits is 5103000, while the sum is 54.

The spelling of 52975006569 in words is "fifty-two billion, nine hundred seventy-five million, six thousand, five hundred sixty-nine".

Divisors: 1 3 9 17 51 153 289 867 2601 4513 13539 40617 76721 230163 690489 1304257 3912771 11738313 20367169 61101507 183304521 346241873 1038725619 3116176857 5886111841 17658335523 52975006569