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16012971105 = 3523313074877
BaseRepresentation
bin11101110100111001…
…01000110001100001
31112022222020012210220
432322130220301201
5230243310033410
611204541313253
71104550002645
oct167234506141
945288205726
1016012971105
1168779a521a
12312a865829
131682678241
14abc98ac25
1563ac09070
hex3ba728c61

16012971105 has 64 divisors (see below), whose sum is σ = 27692679168. Its totient is φ = 7878055680.

The previous prime is 16012971101. The next prime is 16012971113. The reversal of 16012971105 is 50117921061.

16012971105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16012971105 - 22 = 16012971101 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16012971101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3280927 + ... + 3285803.

It is an arithmetic number, because the mean of its divisors is an integer number (432698112).

Almost surely, 216012971105 is an apocalyptic number.

16012971105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16012971105 is a deficient number, since it is larger than the sum of its proper divisors (11679708063).

16012971105 is a wasteful number, since it uses less digits than its factorization.

16012971105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5246.

The product of its (nonzero) digits is 3780, while the sum is 33.

The spelling of 16012971105 in words is "sixteen billion, twelve million, nine hundred seventy-one thousand, one hundred five".

Divisors: 1 3 5 15 23 31 69 93 115 155 307 345 465 713 921 1535 2139 3565 4605 4877 7061 9517 10695 14631 21183 24385 28551 35305 47585 73155 105915 112171 142755 151187 218891 336513 453561 560855 656673 755935 1094455 1497239 1682565 2267805 3283365 3477301 4491717 7486195 10431903 17386505 22458585 34436497 46414409 52159515 103309491 139243227 172182485 232072045 516547455 696216135 1067531407 3202594221 5337657035 16012971105