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1086813525845 = 51933895215557
BaseRepresentation
bin11111101000010110010…
…00100101011101010101
310211220020220101110211002
433310023020211131111
5120301243230311340
62151135241353045
7141343152355325
oct17641310453525
93756226343732
101086813525845
11389a079a1873
1215676b798785
137b641ba6948
143a86007b285
151d40ceb7715
hexfd0b225755

1086813525845 has 32 divisors (see below), whose sum is σ = 1317063252960. Its totient is φ = 860911534080.

The previous prime is 1086813525779. The next prime is 1086813525883. The reversal of 1086813525845 is 5485253186801.

It can be written as a sum of positive squares in 16 ways, for example, as 322941021841 + 763872504004 = 568279^2 + 873998^2 .

It is not a de Polignac number, because 1086813525845 - 222 = 1086809331541 is a prime.

It is a super-3 number, since 3×10868135258453 (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195572807 + ... + 195578363.

It is an arithmetic number, because the mean of its divisors is an integer number (41158226655).

Almost surely, 21086813525845 is an apocalyptic number.

It is an amenable number.

1086813525845 is a deficient number, since it is larger than the sum of its proper divisors (230249727115).

1086813525845 is a wasteful number, since it uses less digits than its factorization.

1086813525845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6665.

The product of its (nonzero) digits is 9216000, while the sum is 56.

The spelling of 1086813525845 in words is "one trillion, eighty-six billion, eight hundred thirteen million, five hundred twenty-five thousand, eight hundred forty-five".

Divisors: 1 5 193 389 521 965 1945 2605 5557 27785 75077 100553 202669 375385 502765 1013345 1072501 2161673 2895197 5362505 10808365 14475985 39115117 195575585 417202889 558773021 1126231633 2086014445 2793865105 5631158165 217362705169 1086813525845