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12000068 = 223000017
BaseRepresentation
bin101101110001…
…101101000100
3211120122222222
4231301231010
511033000233
61105111512
7203666423
oct55615504
924518888
1012000068
116856913
124028598
132642042
1418452ba
1510c0898
hexb71b44

12000068 has 6 divisors (see below), whose sum is σ = 21000126. Its totient is φ = 6000032.

The previous prime is 12000029. The next prime is 12000073. The reversal of 12000068 is 86000021.

12000068 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 only one way, i.e., 8282884 + 3717184 = 2878^2 + 1928^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500005 + ... + 1500012.

It is an arithmetic number, because the mean of its divisors is an integer number (3500021).

Almost surely, 212000068 is an apocalyptic number.

It is an amenable number.

12000068 is a deficient number, since it is larger than the sum of its proper divisors (9000058).

12000068 is a wasteful number, since it uses less digits than its factorization.

12000068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000021 (or 3000019 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12000068 is about 3464.1114300784. Note that the first 3 decimals coincide. The cubic root of 12000068 is about 228.9432809575.

Adding to 12000068 its reverse (86000021), we get a palindrome (98000089).

The spelling of 12000068 in words is "twelve million, sixty-eight", and thus it is an aban number and an uban number.

Divisors: 1 2 4 3000017 6000034 12000068