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13155204232989 = 33713174159130199
BaseRepresentation
bin1011111101101110111101…
…0001100111011100011101
31201120121212210122110201000
42333123233101213130131
53211013324240423424
643551230053540513
72525301136664520
oct277335721473435
951517783573630
1013155204232989
1142120aa91a145
121585697344739
137456b84a3380
14336a02a3cbb7
1517c2e50b13c9
hexbf6ef46771d

13155204232989 has 256 divisors, whose sum is σ = 26458306560000. Its totient is φ = 6263502888960.

The previous prime is 13155204232949. The next prime is 13155204232999. The reversal of 13155204232989 is 98923240255131.

13155204232989 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 520 + 4 + 2 + 32 + 9 + 89 = 666.

It is not a de Polignac number, because 13155204232989 - 27 = 13155204232861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155204232949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 100974112 + ... + 101104310.

It is an arithmetic number, because the mean of its divisors is an integer number (103352760000).

Almost surely, 213155204232989 is an apocalyptic number.

It is an amenable number.

13155204232989 is an abundant number, since it is smaller than the sum of its proper divisors (13303102327011).

13155204232989 is a wasteful number, since it uses less digits than its factorization.

13155204232989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130345 (or 130339 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 13155204232989 in words is "thirteen trillion, one hundred fifty-five billion, two hundred four million, two hundred thirty-two thousand, nine hundred eighty-nine".