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120143044 = 2274290823
BaseRepresentation
bin1110010100100…
…11110011000100
322101001220021101
413022103303010
5221224034134
615531025444
72656125160
oct712236304
9271056241
10120143044
11618aa27a
123429b284
131bb77078
1411d55ca0
15a832e14
hex7293cc4

120143044 has 12 divisors (see below), whose sum is σ = 240286144. Its totient is φ = 51489864.

The previous prime is 120143041. The next prime is 120143071. The reversal of 120143044 is 440341021.

120143044 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (120143041) 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, 2145384 + ... + 2145439.

Almost surely, 2120143044 is an apocalyptic number.

120143044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

120143044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120143044 is a wasteful number, since it uses less digits than its factorization.

120143044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290834 (or 4290832 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 120143044 is about 10960.9782410148. The cubic root of 120143044 is about 493.4383241765.

Adding to 120143044 its reverse (440341021), we get a palindrome (560484065).

The spelling of 120143044 in words is "one hundred twenty million, one hundred forty-three thousand, forty-four".

Divisors: 1 2 4 7 14 28 4290823 8581646 17163292 30035761 60071522 120143044