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285093964512 = 25327141415657
BaseRepresentation
bin1000010011000001110…
…11001010101011100000
31000020212200120222010200
410021200323022223200
514132333023331022
6334545333025200
726411615500050
oct4114073125340
91006780528120
10285093964512
11aa9a9124205
1247305485200
1320b658c2176
14db275bb560
157638c5abac
hex4260ecaae0

285093964512 has 72 divisors (see below), whose sum is σ = 926555391216. Its totient is φ = 81455417856.

The previous prime is 285093964453. The next prime is 285093964513. The reversal of 285093964512 is 215469390582.

285093964512 is a `hidden beast` number, since 2 + 8 + 509 + 3 + 96 + 45 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285093964513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70705813 + ... + 70709844.

It is an arithmetic number, because the mean of its divisors is an integer number (12868824878).

Almost surely, 2285093964512 is an apocalyptic number.

It is an amenable number.

285093964512 is an abundant number, since it is smaller than the sum of its proper divisors (641461426704).

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

285093964512 is a wasteful number, since it uses less digits than its factorization.

285093964512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141415680 (or 141415669 counting only the distinct ones).

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

The spelling of 285093964512 in words is "two hundred eighty-five billion, ninety-three million, nine hundred sixty-four thousand, five hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 141415657 282831314 424246971 565662628 848493942 989909599 1131325256 1272740913 1696987884 1979819198 2262650512 2545481826 2969728797 3393975768 3959638396 4525301024 5090963652 5939457594 6787951536 7919276792 8909186391 10181927304 11878915188 13575903072 15838553584 17818372782 20363854608 23757830376 31677107168 35636745564 40727709216 47515660752 71273491128 95031321504 142546982256 285093964512