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12309016755 = 357117228731
BaseRepresentation
bin10110111011010110…
…01011000010110011
31011202211120211122110
423131223023002303
5200202102014010
65353224540403
7614012626140
oct133553130263
934684524573
1012309016755
115247134522
122476321703
13121219b789
1484aa9b3c7
154c0961120
hex2ddacb0b3

12309016755 has 16 divisors (see below), whose sum is σ = 22507916544. Its totient is φ = 5626979040.

The previous prime is 12309016739. The next prime is 12309016757. The reversal of 12309016755 is 55761090321.

It is not a de Polignac number, because 12309016755 - 24 = 12309016739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12309016757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58614261 + ... + 58614470.

It is an arithmetic number, because the mean of its divisors is an integer number (1406744784).

Almost surely, 212309016755 is an apocalyptic number.

12309016755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12309016755 is a deficient number, since it is larger than the sum of its proper divisors (10198899789).

12309016755 is a wasteful number, since it uses less digits than its factorization.

12309016755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117228746.

The product of its (nonzero) digits is 56700, while the sum is 39.

The spelling of 12309016755 in words is "twelve billion, three hundred nine million, sixteen thousand, seven hundred fifty-five".

Divisors: 1 3 5 7 15 21 35 105 117228731 351686193 586143655 820601117 1758430965 2461803351 4103005585 12309016755