Base | Representation |
---|---|
bin | 110000100011… |
… | …101100010100 |
3 | 212221201001110 |
4 | 300203230110 |
5 | 11224312413 |
6 | 1132455020 |
7 | 213124050 |
oct | 60435424 |
9 | 25851043 |
10 | 12729108 |
11 | 7204627 |
12 | 431a470 |
13 | 2838b22 |
14 | 1994c60 |
15 | 11b68c3 |
hex | c23b14 |
12729108 has 24 divisors (see below), whose sum is σ = 33944512. Its totient is φ = 3636864.
The previous prime is 12729091. The next prime is 12729109. The reversal of 12729108 is 80192721.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12729109) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75685 + ... + 75852.
Almost surely, 212729108 is an apocalyptic number.
It is an amenable number.
12729108 is an abundant number, since it is smaller than the sum of its proper divisors (21215404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12729108 is a wasteful number, since it uses less digits than its factorization.
12729108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151551 (or 151549 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 30.
The square root of 12729108 is about 3567.7875497288. The cubic root of 12729108 is about 233.4887662780.
The spelling of 12729108 in words is "twelve million, seven hundred twenty-nine thousand, one hundred eight".
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