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285428410326 = 23215857133907
BaseRepresentation
bin1000010011101001101…
…10111110011111010110
31000021201222220120112200
410021310312332133112
514134024133112301
6335042441225330
726423116312533
oct4116466763726
91007658816480
10285428410326
1110005a995304
1247399492246
1320bb9c906b7
14db59b99d8a
1576582c0c86
hex4274dbe7d6

285428410326 has 12 divisors (see below), whose sum is σ = 618428222412. Its totient is φ = 95142803436.

The previous prime is 285428410249. The next prime is 285428410331. The reversal of 285428410326 is 623014824582.

285428410326 is a `hidden beast` number, since 2 + 8 + 542 + 84 + 1 + 0 + 3 + 26 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7928566936 + ... + 7928566971.

It is an arithmetic number, because the mean of its divisors is an integer number (51535685201).

Almost surely, 2285428410326 is an apocalyptic number.

285428410326 is an abundant number, since it is smaller than the sum of its proper divisors (332999812086).

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

285428410326 is a wasteful number, since it uses less digits than its factorization.

285428410326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15857133915 (or 15857133912 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 285428410326 in words is "two hundred eighty-five billion, four hundred twenty-eight million, four hundred ten thousand, three hundred twenty-six".

Divisors: 1 2 3 6 9 18 15857133907 31714267814 47571401721 95142803442 142714205163 285428410326