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12310142 = 2131727851
BaseRepresentation
bin101110111101…
…011001111110
3212011102100012
4232331121332
511122411032
61115503222
7206430425
oct56753176
925142305
1012310142
116a48879
124157b12
132720210
1418c62bc
1511326b2
hexbbd67e

12310142 has 16 divisors (see below), whose sum is σ = 21056112. Its totient is φ = 5347200.

The previous prime is 12310121. The next prime is 12310147. The reversal of 12310142 is 24101321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13484 + ... + 14367.

It is an arithmetic number, because the mean of its divisors is an integer number (1316007).

Almost surely, 212310142 is an apocalyptic number.

12310142 is a deficient number, since it is larger than the sum of its proper divisors (8745970).

12310142 is a wasteful number, since it uses less digits than its factorization.

12310142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27883.

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

The square root of 12310142 is about 3508.5811947281. The cubic root of 12310142 is about 230.8984517707.

Adding to 12310142 its reverse (24101321), we get a palindrome (36411463).

The spelling of 12310142 in words is "twelve million, three hundred ten thousand, one hundred forty-two".

Divisors: 1 2 13 17 26 34 221 442 27851 55702 362063 473467 724126 946934 6155071 12310142