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111980168 = 232413
BaseRepresentation
bin1101010110010…
…10111010001000
321210201011220122
412223022322020
5212131331133
615040042412
72526546536
oct653127210
9253634818
10111980168
11582343a3
1231603408
131a279771
1410c2d156
159c6e498
hex6acae88

111980168 has 16 divisors (see below), whose sum is σ = 210837660. Its totient is φ = 55757760.

The previous prime is 111980161. The next prime is 111980177. The reversal of 111980168 is 861089111.

The cubic root of 111980168 is 482.

It is a perfect power (a cube), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 111978724 + 1444 = 10582^2 + 38^2 .

It is not an unprimeable number, because it can be changed into a prime (111980161) 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 3 ways as a sum of consecutive naturals, for example, 464528 + ... + 464768.

Almost surely, 2111980168 is an apocalyptic number.

It is an amenable number.

111980168 is a deficient number, since it is larger than the sum of its proper divisors (98857492).

111980168 is an frugal number, since it uses more digits than its factorization.

111980168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 35.

The square root of 111980168 is about 10582.0682288483.

The spelling of 111980168 in words is "one hundred eleven million, nine hundred eighty thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 241 482 964 1928 58081 116162 232324 464648 13997521 27995042 55990084 111980168