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285348966125 = 5318112612109
BaseRepresentation
bin1000010011100000001…
…11111010111011101101
31000021112110102101120212
410021300013322323231
514133343313404000
6335030522352205
726421133123016
oct4116007727355
91007473371525
10285348966125
1110001a063743
124737695b665
1320ba66962b2
14db4d3da00d
15765132bc35
hex42701faeed

285348966125 has 16 divisors (see below), whose sum is σ = 358083027120. Its totient is φ = 227017944000.

The previous prime is 285348966079. The next prime is 285348966139. The reversal of 285348966125 is 521669843582.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 143661466729 + 141687499396 = 379027^2 + 376414^2 .

It is not a de Polignac number, because 285348966125 - 216 = 285348900589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6283430 + ... + 6328679.

It is an arithmetic number, because the mean of its divisors is an integer number (22380189195).

Almost surely, 2285348966125 is an apocalyptic number.

285348966125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

285348966125 is a deficient number, since it is larger than the sum of its proper divisors (72734060995).

285348966125 is a wasteful number, since it uses less digits than its factorization.

285348966125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12612305 (or 12612295 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 59.

The spelling of 285348966125 in words is "two hundred eighty-five billion, three hundred forty-eight million, nine hundred sixty-six thousand, one hundred twenty-five".

Divisors: 1 5 25 125 181 905 4525 22625 12612109 63060545 315302725 1576513625 2282791729 11413958645 57069793225 285348966125