Search a number
-
+
12000069 = 383159
BaseRepresentation
bin101101110001…
…101101000101
3211120200000000
4231301231011
511033000234
61105111513
7203666424
oct55615505
924520000
1012000069
116856914
124028599
132642043
1418452bb
1510c0899
hexb71b45

12000069 has 36 divisors (see below), whose sum is σ = 18894720. Its totient is φ = 7610760.

The previous prime is 12000029. The next prime is 12000073. The reversal of 12000069 is 96000021.

It is not a de Polignac number, because 12000069 - 27 = 11999941 is a prime.

It is a super-2 number, since 2×120000692 = 288003312009522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000029) 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 35 ways as a sum of consecutive naturals, for example, 203362 + ... + 203420.

Almost surely, 212000069 is an apocalyptic number.

It is an amenable number.

12000069 is a deficient number, since it is larger than the sum of its proper divisors (6894651).

12000069 is an frugal number, since it uses more digits than its factorization.

12000069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 12000069 is about 3464.1115744156. Note that the first 3 decimals coincide. The cubic root of 12000069 is about 228.9432873170.

The spelling of 12000069 in words is "twelve million, sixty-nine", and thus it is an aban number and an uban number.

Divisors: 1 3 9 27 31 59 81 93 177 243 279 531 729 837 1593 1829 2187 2511 4779 5487 6561 7533 14337 16461 22599 43011 49383 67797 129033 148149 203391 387099 444447 1333341 4000023 12000069