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120443013 = 3259226823
BaseRepresentation
bin1110010110111…
…01000010000101
322101122010202100
413023131002011
5221313134023
615541302313
72661514545
oct713350205
9271563670
10120443013
1161a94689
1234404999
131bc50772
1411dd3325
15a891c43
hex72dd085

120443013 has 12 divisors (see below), whose sum is σ = 176922720. Its totient is φ = 78934056.

The previous prime is 120443009. The next prime is 120443017. The reversal of 120443013 is 310344021.

Adding to 120443013 its reverse (310344021), we get a palindrome (430787034).

It is an interprime number because it is at equal distance from previous prime (120443009) and next prime (120443017).

It is not a de Polignac number, because 120443013 - 22 = 120443009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120443017) 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 11 ways as a sum of consecutive naturals, for example, 112881 + ... + 113942.

It is an arithmetic number, because the mean of its divisors is an integer number (14743560).

Almost surely, 2120443013 is an apocalyptic number.

It is an amenable number.

120443013 is a deficient number, since it is larger than the sum of its proper divisors (56479707).

120443013 is a wasteful number, since it uses less digits than its factorization.

120443013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226888 (or 226885 counting only the distinct ones).

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

The square root of 120443013 is about 10974.6532063660. The cubic root of 120443013 is about 493.8486494552.

The spelling of 120443013 in words is "one hundred twenty million, four hundred forty-three thousand, thirteen".

Divisors: 1 3 9 59 177 531 226823 680469 2041407 13382557 40147671 120443013