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12342302145 = 325638942929
BaseRepresentation
bin10110111111010100…
…01001010111000001
31011212011012220121200
423133222021113001
5200234112132040
65400414211413
7614565560115
oct133752112701
934764186550
1012342302145
1152639a9308
1224854b3b69
131219053c84
14851283745
154c3838630
hex2dfa895c1

12342302145 has 24 divisors (see below), whose sum is σ = 21397170600. Its totient is φ = 6581377536.

The previous prime is 12342302123. The next prime is 12342302173. The reversal of 12342302145 is 54120324321.

12342302145 is a `hidden beast` number, since 1 + 2 + 342 + 302 + 14 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2115632016 + 10226670129 = 45996^2 + 101127^2 .

It is not a de Polignac number, because 12342302145 - 215 = 12342269377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266041 + ... + 308969.

It is an arithmetic number, because the mean of its divisors is an integer number (891548775).

Almost surely, 212342302145 is an apocalyptic number.

12342302145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12342302145 is a deficient number, since it is larger than the sum of its proper divisors (9054868455).

12342302145 is a wasteful number, since it uses less digits than its factorization.

12342302145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49329 (or 49326 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 12342302145 its reverse (54120324321), we get a palindrome (66462626466).

The spelling of 12342302145 in words is "twelve billion, three hundred forty-two million, three hundred two thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 45 6389 19167 31945 42929 57501 95835 128787 214645 287505 386361 643935 1931805 274273381 822820143 1371366905 2468460429 4114100715 12342302145