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12739953750825 = 352756343102271
BaseRepresentation
bin1011100101100100000001…
…1010101111001100101001
31200002221001021121100002110
42321121000122233030221
53132212411130011300
643032353130552533
72453300634063420
oct271310032571451
950087037540073
1012739953750825
114071a90842884
121519108898749
137154ac467cb2
1432088d2922b7
151715de8c6550
hexb96406af329

12739953750825 has 48 divisors (see below), whose sum is σ = 24115203956736. Its totient is φ = 5813634177600.

The previous prime is 12739953750817. The next prime is 12739953750847. The reversal of 12739953750825 is 52805735993721.

It is not a de Polignac number, because 12739953750825 - 23 = 12739953750817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21255561 + ... + 21846710.

It is an arithmetic number, because the mean of its divisors is an integer number (502400082432).

Almost surely, 212739953750825 is an apocalyptic number.

12739953750825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12739953750825 is a deficient number, since it is larger than the sum of its proper divisors (11375250205911).

12739953750825 is a wasteful number, since it uses less digits than its factorization.

12739953750825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43102854 (or 43102849 counting only the distinct ones).

The product of its (nonzero) digits is 142884000, while the sum is 66.

The spelling of 12739953750825 in words is "twelve trillion, seven hundred thirty-nine billion, nine hundred fifty-three million, seven hundred fifty thousand, eight hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 563 1689 2815 3941 8445 11823 14075 19705 42225 59115 98525 295575 43102271 129306813 215511355 301715897 646534065 905147691 1077556775 1508579485 3232670325 4525738455 7542897425 22628692275 24266578573 72799735719 121332892865 169866050011 363998678595 509598150033 606664464325 849330250055 1819993392975 2547990750165 4246651250275 12739953750825