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105605610016 = 257345207881
BaseRepresentation
bin110001001011010010…
…1011011101000100000
3101002120211120211120111
41202112211123220200
53212240014010031
6120303050421104
710426001605564
oct1422645335040
9332524524514
10105605610016
1140872682955
1218573131794
139c5cc7c54a
14517b7296a4
152b3141b1b1
hex189695ba20

105605610016 has 24 divisors (see below), whose sum is σ = 210759145884. Its totient is φ = 52079477760.

The previous prime is 105605610007. The next prime is 105605610041. The reversal of 105605610016 is 610016506501.

It can be written as a sum of positive squares in 2 ways, for example, as 103105210000 + 2500400016 = 321100^2 + 50004^2 .

It is a super-3 number, since 3×1056056100163 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 105605610016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22601605 + ... + 22606276.

Almost surely, 2105605610016 is an apocalyptic number.

105605610016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

105605610016 is a deficient number, since it is larger than the sum of its proper divisors (105153535868).

105605610016 is an equidigital number, since it uses as much as digits as its factorization.

105605610016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45207964 (or 45207956 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 105605610016 in words is "one hundred five billion, six hundred five million, six hundred ten thousand, sixteen".

Divisors: 1 2 4 8 16 32 73 146 292 584 1168 2336 45207881 90415762 180831524 361663048 723326096 1446652192 3300175313 6600350626 13200701252 26401402504 52802805008 105605610016