Base | Representation |
---|---|
bin | 101110001111… |
… | …001101000010 |
3 | 211210210202011 |
4 | 232033031002 |
5 | 11100332043 |
6 | 1111443134 |
7 | 205011616 |
oct | 56171502 |
9 | 24723664 |
10 | 12120898 |
11 | 6929679 |
12 | 40864aa |
13 | 268503a |
14 | 1877346 |
15 | 10e659d |
hex | b8f342 |
12120898 has 32 divisors (see below), whose sum is σ = 20995200. Its totient is φ = 5209344.
The previous prime is 12120863. The next prime is 12120919. The reversal of 12120898 is 89802121.
It is a happy number.
12120898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18411 + ... + 19057.
It is an arithmetic number, because the mean of its divisors is an integer number (656100).
Almost surely, 212120898 is an apocalyptic number.
12120898 is a deficient number, since it is larger than the sum of its proper divisors (8874302).
12120898 is a wasteful number, since it uses less digits than its factorization.
12120898 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 714.
The product of its (nonzero) digits is 2304, while the sum is 31.
The square root of 12120898 is about 3481.5080065971. The cubic root of 12120898 is about 229.7091345225.
The spelling of 12120898 in words is "twelve million, one hundred twenty thousand, eight hundred ninety-eight".
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