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120144033 = 3321121089
BaseRepresentation
bin1110010100101…
…00000010100001
322101001221122000
413022110002201
5221224102113
615531034213
72656131102
oct712240241
9271057560
10120144033
11618aaa99
123429b969
131bb77659
1411d563a9
15a833373
hex72940a1

120144033 has 16 divisors (see below), whose sum is σ = 178843200. Its totient is φ = 79712640.

The previous prime is 120144023. The next prime is 120144047. The reversal of 120144033 is 330441021.

It is not a de Polignac number, because 120144033 - 212 = 120139937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120143997 and 120144015.

It is not an unprimeable number, because it can be changed into a prime (120144023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4848 + ... + 16241.

It is an arithmetic number, because the mean of its divisors is an integer number (11177700).

Almost surely, 2120144033 is an apocalyptic number.

It is an amenable number.

120144033 is a deficient number, since it is larger than the sum of its proper divisors (58699167).

120144033 is a wasteful number, since it uses less digits than its factorization.

120144033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21309 (or 21303 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 120144033 is about 10961.0233555084. The cubic root of 120144033 is about 493.4396781436.

Adding to 120144033 its reverse (330441021), we get a palindrome (450585054).

The spelling of 120144033 in words is "one hundred twenty million, one hundred forty-four thousand, thirty-three".

Divisors: 1 3 9 27 211 633 1899 5697 21089 63267 189801 569403 4449779 13349337 40048011 120144033