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57156808023256 = 2389401486141183
BaseRepresentation
bin11001111111011110110110…
…01111010001110011011000
321111101010201020002011121011
430333233123033101303120
524442424120323221011
6321321250343023304
715016304662042024
oct1477573317216330
9244333636064534
1057156808023256
1117237080066187
1264b145743ab34
1325b7b2cbc8586
141018593457384
15691ba6985621
hex33fbdb3d1cd8

57156808023256 has 64 divisors (see below), whose sum is σ = 108668407161600. Its totient is φ = 28180348416000.

The previous prime is 57156808023199. The next prime is 57156808023257. The reversal of 57156808023256 is 65232080865175.

It is a self number, because there is not a number n which added to its sum of digits gives 57156808023256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57156808023257) 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 15 ways as a sum of consecutive naturals, for example, 1387853241 + ... + 1387894423.

It is an arithmetic number, because the mean of its divisors is an integer number (1697943861900).

Almost surely, 257156808023256 is an apocalyptic number.

It is an amenable number.

57156808023256 is a deficient number, since it is larger than the sum of its proper divisors (51511599138344).

57156808023256 is a wasteful number, since it uses less digits than its factorization.

57156808023256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46540 (or 46536 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 57156808023256 in words is "fifty-seven trillion, one hundred fifty-six billion, eight hundred eight million, twenty-three thousand, two hundred fifty-six".

Divisors: 1 2 4 8 89 178 356 401 712 802 1604 3208 4861 9722 19444 35689 38888 41183 71378 82366 142756 164732 285512 329464 432629 865258 1730516 1949261 3461032 3665287 3898522 7330574 7797044 14661148 15594088 16514383 29322296 33028766 66057532 132115064 173484229 200190563 346968458 400381126 693936916 800762252 1387873832 1469780087 1601524504 2939560174 5879120348 11758240696 17816960107 35633920214 71267840428 80276415763 142535680856 160552831526 321105663052 642211326104 7144601002907 14289202005814 28578404011628 57156808023256