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13065855838548 = 2231641136634583
BaseRepresentation
bin1011111000100010000110…
…1100100010100101010100
31201021002020221212202100220
42332020201230202211110
53203032333043313143
643442212111434340
72515656042112602
oct276104154424524
951232227782326
1013065855838548
11418821aaa3a47
1215703008259b0
1373a149677b16
143325684bc872
15179d16047d83
hexbe221b22954

13065855838548 has 24 divisors (see below), whose sum is σ = 30487187320128. Its totient is φ = 4355258084736.

The previous prime is 13065855838531. The next prime is 13065855838571. The reversal of 13065855838548 is 84583855856031.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1347936 + ... + 5286647.

It is an arithmetic number, because the mean of its divisors is an integer number (1270299471672).

Almost surely, 213065855838548 is an apocalyptic number.

It is an amenable number.

13065855838548 is an abundant number, since it is smaller than the sum of its proper divisors (17421331481580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13065855838548 is a wasteful number, since it uses less digits than its factorization.

13065855838548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6798703 (or 6798701 counting only the distinct ones).

The product of its (nonzero) digits is 552960000, while the sum is 69.

The spelling of 13065855838548 in words is "thirteen trillion, sixty-five billion, eight hundred fifty-five million, eight hundred thirty-eight thousand, five hundred forty-eight".

Divisors: 1 2 3 4 6 12 164113 328226 492339 656452 984678 1969356 6634583 13269166 19903749 26538332 39807498 79614996 1088821319879 2177642639758 3266463959637 4355285279516 6532927919274 13065855838548