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12342530450 = 252246850609
BaseRepresentation
bin10110111111010110…
…00001000110010010
31011212011122111210102
423133223001012102
5200234141433300
65400423132402
7614600530535
oct133753010622
934764574712
1012342530450
115264044898
1224855a4102
131219103b73
14851302a1c
154c38810d5
hex2dfac1192

12342530450 has 12 divisors (see below), whose sum is σ = 22957106730. Its totient is φ = 4937012160.

The previous prime is 12342530443. The next prime is 12342530461. The reversal of 12342530450 is 5403524321.

It is a happy number.

12342530450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 11660328289 + 682202161 = 107983^2 + 26119^2 .

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 123425255 + ... + 123425354.

Almost surely, 212342530450 is an apocalyptic number.

12342530450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12342530450 is a deficient number, since it is larger than the sum of its proper divisors (10614576280).

12342530450 is a wasteful number, since it uses less digits than its factorization.

12342530450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246850621 (or 246850616 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 12342530450 in words is "twelve billion, three hundred forty-two million, five hundred thirty thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 246850609 493701218 1234253045 2468506090 6171265225 12342530450