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120013142 = 2109550519
BaseRepresentation
bin1110010011101…
…00000101010110
322100211022002012
413021310011112
5221210410032
615524144222
72655044354
oct711640526
9270738065
10120013142
1161820717
1234238072
131bb2cbc2
1411d207d4
15a8096b2
hex7274156

120013142 has 8 divisors (see below), whose sum is σ = 181671600. Its totient is φ = 59455944.

The previous prime is 120013141. The next prime is 120013171. The reversal of 120013142 is 241310021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120013141) 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, 275042 + ... + 275477.

It is an arithmetic number, because the mean of its divisors is an integer number (22708950).

Almost surely, 2120013142 is an apocalyptic number.

120013142 is a deficient number, since it is larger than the sum of its proper divisors (61658458).

120013142 is a wasteful number, since it uses less digits than its factorization.

120013142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550630.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120013142 is about 10955.0509811685. The cubic root of 120013142 is about 493.2604202972.

Adding to 120013142 its reverse (241310021), we get a palindrome (361323163).

The spelling of 120013142 in words is "one hundred twenty million, thirteen thousand, one hundred forty-two".

Divisors: 1 2 109 218 550519 1101038 60006571 120013142