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52564544546525 = 5211261284864081
BaseRepresentation
bin10111111001110101000110…
…00000010110011011011101
320220010010021111011111221122
423330322203000112123131
523342204141400442100
6303443452435140325
714033443262406164
oct1374724300263335
9226103244144848
1052564544546525
1115826553050500
125a8b43b7446a5
132343a7a234b7b
14cda1cd5543db
156124cee60985
hex2fcea30166dd

52564544546525 has 36 divisors (see below), whose sum is σ = 72818665825332. Its totient is φ = 37602058560000.

The previous prime is 52564544546519. The next prime is 52564544546581.

52564544546525 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 1504787983204 + 51059756563321 = 1226698^2 + 7145611^2 .

It is not a de Polignac number, because 52564544546525 - 234 = 52547364677341 is a prime.

It is a super-2 number, since 2×525645445465252 (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

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 35 ways as a sum of consecutive naturals, for example, 142247516 + ... + 142616565.

Almost surely, 252564544546525 is an apocalyptic number.

52564544546525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52564544546525 is a deficient number, since it is larger than the sum of its proper divisors (20254121278807).

52564544546525 is a wasteful number, since it uses less digits than its factorization.

52564544546525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284864174 (or 284864158 counting only the distinct ones).

The product of its digits is 576000000, while the sum is 62.

The spelling of 52564544546525 in words is "fifty-two trillion, five hundred sixty-four billion, five hundred forty-four million, five hundred forty-six thousand, five hundred twenty-five".

Divisors: 1 5 11 25 55 61 121 275 305 605 671 1525 3025 3355 7381 16775 36905 184525 284864081 1424320405 3133504891 7121602025 15667524455 17376708941 34468553801 78337622275 86883544705 172342769005 191143798351 434417723525 861713845025 955718991755 2102581781861 4778594958775 10512908909305 52564544546525