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12775251400025 = 524710872554383
BaseRepresentation
bin1011100111100111100001…
…0100100101010101011001
31200020022011020100200222012
42321321320110211111121
53133302203324300100
643100511450035305
72455660432125602
oct271717024452531
950208136320865
1012775251400025
114085a54402094
121523b19a18b35
1371891624575a
1432247b11cda9
151724a864e135
hexb9e78525559

12775251400025 has 12 divisors (see below), whose sum is σ = 16178360923392. Its totient is φ = 10002750031440.

The previous prime is 12775251400019. The next prime is 12775251400049. The reversal of 12775251400025 is 52000415257721.

It is a happy number.

It is not a de Polignac number, because 12775251400025 - 220 = 12775250351449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5436276017 + ... + 5436278366.

It is an arithmetic number, because the mean of its divisors is an integer number (1348196743616).

Almost surely, 212775251400025 is an apocalyptic number.

It is an amenable number.

12775251400025 is a deficient number, since it is larger than the sum of its proper divisors (3403109523367).

12775251400025 is a wasteful number, since it uses less digits than its factorization.

12775251400025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10872554440 (or 10872554435 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

Adding to 12775251400025 its reverse (52000415257721), we get a palindrome (64775666657746).

The spelling of 12775251400025 in words is "twelve trillion, seven hundred seventy-five billion, two hundred fifty-one million, four hundred thousand, twenty-five".

Divisors: 1 5 25 47 235 1175 10872554383 54362771915 271813859575 511010056001 2555050280005 12775251400025