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285953295017 = 1353415026553
BaseRepresentation
bin1000010100101000010…
…01010000001010101001
31000100002120120110222102
410022110021100022221
514141113020420032
6335210511303145
726442121621565
oct4122411201251
91010076513872
10285953295017
111002aa1a8a05
124750521aab5
1320c71949360
14dba978c6a5
157689402362
hex42942502a9

285953295017 has 8 divisors (see below), whose sum is σ = 313760074824. Its totient is φ = 258976568448.

The previous prime is 285953294989. The next prime is 285953295031. The reversal of 285953295017 is 710592359582.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 107481688336 + 178471606681 = 327844^2 + 422459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 285953295017 - 222 = 285949100713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285953295097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207512588 + ... + 207513965.

It is an arithmetic number, because the mean of its divisors is an integer number (39220009353).

Almost surely, 2285953295017 is an apocalyptic number.

It is an amenable number.

285953295017 is a deficient number, since it is larger than the sum of its proper divisors (27806779807).

285953295017 is a wasteful number, since it uses less digits than its factorization.

285953295017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415026619.

The product of its (nonzero) digits is 6804000, while the sum is 56.

The spelling of 285953295017 in words is "two hundred eighty-five billion, nine hundred fifty-three million, two hundred ninety-five thousand, seventeen".

Divisors: 1 13 53 689 415026553 5395345189 21996407309 285953295017