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16243116105 = 354723039881
BaseRepresentation
bin11110010000010101…
…00100100001001001
31112221000021210101210
433020022210201021
5231231214203410
611243442203333
71113343131426
oct171012444111
945830253353
1016243116105
1169858a75a7
123193953549
1316bb258508
14b01378d4d
1565101a220
hex3c82a4849

16243116105 has 16 divisors (see below), whose sum is σ = 26541944064. Its totient is φ = 8478675840.

The previous prime is 16243116103. The next prime is 16243116121. The reversal of 16243116105 is 50161134261.

It is a happy number.

It is not a de Polignac number, because 16243116105 - 21 = 16243116103 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16243116103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11519236 + ... + 11520645.

It is an arithmetic number, because the mean of its divisors is an integer number (1658871504).

Almost surely, 216243116105 is an apocalyptic number.

16243116105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16243116105 is a deficient number, since it is larger than the sum of its proper divisors (10298827959).

16243116105 is a wasteful number, since it uses less digits than its factorization.

16243116105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23039936.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 16243116105 in words is "sixteen billion, two hundred forty-three million, one hundred sixteen thousand, one hundred five".

Divisors: 1 3 5 15 47 141 235 705 23039881 69119643 115199405 345598215 1082874407 3248623221 5414372035 16243116105