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109818668 = 22197913873
BaseRepresentation
bin1101000101110…
…11001100101100
321122122100220002
412202323030230
5211103144133
614521443432
72502305021
oct642731454
9248570802
10109818668
1156a98433
1230940578
13199a097b
1410829548
159993ce8
hex68bb32c

109818668 has 12 divisors (see below), whose sum is σ = 192293640. Its totient is φ = 54877632.

The previous prime is 109818659. The next prime is 109818671. The reversal of 109818668 is 866818901.

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, 980 + ... + 14852.

It is an arithmetic number, because the mean of its divisors is an integer number (16024470).

Almost surely, 2109818668 is an apocalyptic number.

It is an amenable number.

109818668 is a deficient number, since it is larger than the sum of its proper divisors (82474972).

109818668 is a wasteful number, since it uses less digits than its factorization.

109818668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15856 (or 15854 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 109818668 is about 10479.4402522272. The cubic root of 109818668 is about 478.8785567361.

The spelling of 109818668 in words is "one hundred nine million, eight hundred eighteen thousand, six hundred sixty-eight".

Divisors: 1 2 4 1979 3958 7916 13873 27746 55492 27454667 54909334 109818668