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12640524152306 = 2232341117383171
BaseRepresentation
bin1011011111110001100111…
…1100111010110111110010
31122202102101212021101120112
42313330121330322313302
53124100243140333211
642514550541341322
72443150654330121
oct267743174726762
948672355241515
1012640524152306
1140338a8389866
121501999b67842
13708cc4b8cb2b
14319b39cb1ab8
1516dc207ae88b
hexb7f19f3adf2

12640524152306 has 16 divisors (see below), whose sum is σ = 19793619995328. Its totient is φ = 6042885591600.

The previous prime is 12640524152279. The next prime is 12640524152309. The reversal of 12640524152306 is 60325142504621.

It is not an unprimeable number, because it can be changed into a prime (12640524152309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58583900 + ... + 58799271.

It is an arithmetic number, because the mean of its divisors is an integer number (1237101249708).

Almost surely, 212640524152306 is an apocalyptic number.

12640524152306 is a deficient number, since it is larger than the sum of its proper divisors (7153095843022).

12640524152306 is a wasteful number, since it uses less digits than its factorization.

12640524152306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117385537.

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 12640524152306 its reverse (60325142504621), we get a palindrome (72965666656927).

The spelling of 12640524152306 in words is "twelve trillion, six hundred forty billion, five hundred twenty-four million, one hundred fifty-two thousand, three hundred six".

Divisors: 1 2 23 46 2341 4682 53843 107686 117383171 234766342 2699812933 5399625866 274794003311 549588006622 6320262076153 12640524152306