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52389118568 = 236548639821
BaseRepresentation
bin110000110010101000…
…101000001001101000
312000020002100222011202
4300302220220021220
51324243103243233
640022304343332
73533152106003
oct606250501150
9160202328152
1052389118568
1120244323206
12a1a1014b48
134c2ba18857
14276db5a53a
1515694bbbe8
hexc32a28268

52389118568 has 8 divisors (see below), whose sum is σ = 98229597330. Its totient is φ = 26194559280.

The previous prime is 52389118553. The next prime is 52389118601. The reversal of 52389118568 is 86581198325.

It can be written as a sum of positive squares in only one way, i.e., 30892280644 + 21496837924 = 175762^2 + 146618^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3274319903 + ... + 3274319918.

Almost surely, 252389118568 is an apocalyptic number.

It is an amenable number.

52389118568 is a deficient number, since it is larger than the sum of its proper divisors (45840478762).

52389118568 is a wasteful number, since it uses less digits than its factorization.

52389118568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6548639827 (or 6548639823 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 56.

The spelling of 52389118568 in words is "fifty-two billion, three hundred eighty-nine million, one hundred eighteen thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 6548639821 13097279642 26194559284 52389118568