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16629056905 = 511872801863
BaseRepresentation
bin11110111110010101…
…10100010110001001
31120220220111121122111
433133022310112021
5233024014310110
611350030222321
71126040436316
oct173712642611
946826447574
1016629056905
11706373a63a
1232810549a1
1317501b6756
14b3a71dd0d
15674d52e8a
hex3df2b4589

16629056905 has 8 divisors (see below), whose sum is σ = 19971686592. Its totient is φ = 13292033328.

The previous prime is 16629056803. The next prime is 16629056911. The reversal of 16629056905 is 50965092661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16629056905 - 27 = 16629056777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1394997 + ... + 1406866.

It is an arithmetic number, because the mean of its divisors is an integer number (2496460824).

Almost surely, 216629056905 is an apocalyptic number.

It is an amenable number.

16629056905 is a deficient number, since it is larger than the sum of its proper divisors (3342629687).

16629056905 is a wasteful number, since it uses less digits than its factorization.

16629056905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803055.

The product of its (nonzero) digits is 874800, while the sum is 49.

The spelling of 16629056905 in words is "sixteen billion, six hundred twenty-nine million, fifty-six thousand, nine hundred five".

Divisors: 1 5 1187 5935 2801863 14009315 3325811381 16629056905