Base | Representation |
---|---|
bin | 101110000101… |
… | …011011101000 |
3 | 211201202211201 |
4 | 232011123220 |
5 | 11043041442 |
6 | 1110533544 |
7 | 204454126 |
oct | 56053350 |
9 | 24652751 |
10 | 12080872 |
11 | 69015a1 |
12 | 40672b4 |
13 | 266ca5b |
14 | 1866916 |
15 | 10d97b7 |
hex | b856e8 |
12080872 has 8 divisors (see below), whose sum is σ = 22651650. Its totient is φ = 6040432.
The previous prime is 12080869. The next prime is 12080923. The reversal of 12080872 is 27808021.
12080872 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., 11737476 + 343396 = 3426^2 + 586^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a self number, because there is not a number n which added to its sum of digits gives 12080872.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 755047 + ... + 755062.
Almost surely, 212080872 is an apocalyptic number.
It is an amenable number.
12080872 is a deficient number, since it is larger than the sum of its proper divisors (10570778).
12080872 is a wasteful number, since it uses less digits than its factorization.
12080872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1510115 (or 1510111 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 28.
The square root of 12080872 is about 3475.7548820364. The cubic root of 12080872 is about 229.4560048442.
Adding to 12080872 its reverse (27808021), we get a palindrome (39888893).
The spelling of 12080872 in words is "twelve million, eighty thousand, eight hundred seventy-two".
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