Base | Representation |
---|---|
bin | 101110010000… |
… | …001110010000 |
3 | 211211000110202 |
4 | 232100032100 |
5 | 11101000242 |
6 | 1111514332 |
7 | 205030031 |
oct | 56201620 |
9 | 24730422 |
10 | 12125072 |
11 | 6931823 |
12 | 40889a8 |
13 | 2686bcb |
14 | 1878a88 |
15 | 10e7932 |
hex | b90390 |
12125072 has 20 divisors (see below), whose sum is σ = 23550576. Its totient is φ = 6047520.
The previous prime is 12125041. The next prime is 12125083. The reversal of 12125072 is 27052121.
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8747 + ... + 10037.
Almost surely, 212125072 is an apocalyptic number.
It is an amenable number.
12125072 is a deficient number, since it is larger than the sum of its proper divisors (11425504).
12125072 is a wasteful number, since it uses less digits than its factorization.
12125072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1886 (or 1880 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 20.
The square root of 12125072 is about 3482.1074078782. The cubic root of 12125072 is about 229.7354993427.
Adding to 12125072 its reverse (27052121), we get a palindrome (39177193).
The spelling of 12125072 in words is "twelve million, one hundred twenty-five thousand, seventy-two".
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