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285733833325 = 5240013285641
BaseRepresentation
bin1000010100001110001…
…00000100101001101101
31000022112021121200010121
410022013010010221231
514140140330131300
6335133031404541
726433515336563
oct4120704045155
91008467550117
10285733833325
111001a7333106
1247463823751
1320c38339975
14db88581a33
15767500181a
hex4287104a6d

285733833325 has 12 divisors (see below), whose sum is σ = 354320048628. Its totient is φ = 228580553600.

The previous prime is 285733833317. The next prime is 285733833349. The reversal of 285733833325 is 523338337582.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 37621257444 + 248112575881 = 193962^2 + 498109^2 .

It is not a de Polignac number, because 285733833325 - 23 = 285733833317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 857505 + ... + 1143145.

It is an arithmetic number, because the mean of its divisors is an integer number (29526670719).

Almost surely, 2285733833325 is an apocalyptic number.

285733833325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

285733833325 is a deficient number, since it is larger than the sum of its proper divisors (68586215303).

285733833325 is a wasteful number, since it uses less digits than its factorization.

285733833325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325664 (or 325659 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 52.

The spelling of 285733833325 in words is "two hundred eighty-five billion, seven hundred thirty-three million, eight hundred thirty-three thousand, three hundred twenty-five".

Divisors: 1 5 25 40013 200065 285641 1000325 1428205 7141025 11429353333 57146766665 285733833325