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285280353325 = 52111037383103
BaseRepresentation
bin1000010011011000000…
…10001011110000101101
31000021100200022111112001
410021230002023300231
514133223232301300
6335020032012301
726416340664502
oct4115402136055
91007320274461
10285280353325
11aaa9435a950
1247357991091
1320b953c1cc6
14db442594a9
15764a2c716a
hex426c08bc2d

285280353325 has 12 divisors (see below), whose sum is σ = 385906514688. Its totient is φ = 207476620400.

The previous prime is 285280353311. The next prime is 285280353331. The reversal of 285280353325 is 523353082582.

It is not a de Polignac number, because 285280353325 - 29 = 285280352813 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, 518691277 + ... + 518691826.

It is an arithmetic number, because the mean of its divisors is an integer number (32158876224).

Almost surely, 2285280353325 is an apocalyptic number.

285280353325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

285280353325 is a deficient number, since it is larger than the sum of its proper divisors (100626161363).

285280353325 is a wasteful number, since it uses less digits than its factorization.

285280353325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037383124 (or 1037383119 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 285280353325 in words is "two hundred eighty-five billion, two hundred eighty million, three hundred fifty-three thousand, three hundred twenty-five".

Divisors: 1 5 11 25 55 275 1037383103 5186915515 11411214133 25934577575 57056070665 285280353325