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285806719604 = 227213111131279
BaseRepresentation
bin1000010100010110110…
…10000111001001110100
31000022201100202200022102
410022023122013021310
514140313010011404
6335144153521232
726435362014200
oct4121332071164
91008640680272
10285806719604
111002344956aa
1247484113218
1320c4a479143
14db94115b00
15767b5ec71e
hex428b687274

285806719604 has 36 divisors (see below), whose sum is σ = 586262255040. Its totient is φ = 121553555760.

The previous prime is 285806719589. The next prime is 285806719633. The reversal of 285806719604 is 406917608582.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 285806719604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5539964 + ... + 5591315.

It is an arithmetic number, because the mean of its divisors is an integer number (16285062640).

Almost surely, 2285806719604 is an apocalyptic number.

It is an amenable number.

285806719604 is an abundant number, since it is smaller than the sum of its proper divisors (300455535436).

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

285806719604 is a wasteful number, since it uses less digits than its factorization.

285806719604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11131428 (or 11131419 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 285806719604 in words is "two hundred eighty-five billion, eight hundred six million, seven hundred nineteen thousand, six hundred four".

Divisors: 1 2 4 7 14 28 49 98 131 196 262 524 917 1834 3668 6419 12838 25676 11131279 22262558 44525116 77918953 155837906 311675812 545432671 1090865342 1458197549 2181730684 2916395098 5832790196 10207382843 20414765686 40829531372 71451679901 142903359802 285806719604