Base | Representation |
---|---|
bin | 101110001111… |
… | …010011100010 |
3 | 211210211022120 |
4 | 232033103202 |
5 | 11100340224 |
6 | 1111445110 |
7 | 205013052 |
oct | 56172342 |
9 | 24724276 |
10 | 12121314 |
11 | 6929a17 |
12 | 4086796 |
13 | 268529a |
14 | 1877562 |
15 | 10e6779 |
hex | b8f4e2 |
12121314 has 32 divisors (see below), whose sum is σ = 24978240. Its totient is φ = 3919872.
The previous prime is 12121309. The next prime is 12121321. The reversal of 12121314 is 41312121.
It is a junction number, because it is equal to n+sod(n) for n = 12121293 and 12121302.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 34162 + ... + 34514.
It is an arithmetic number, because the mean of its divisors is an integer number (780570).
Almost surely, 212121314 is an apocalyptic number.
12121314 is an abundant number, since it is smaller than the sum of its proper divisors (12856926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12121314 is a wasteful number, since it uses less digits than its factorization.
12121314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 514.
The product of its digits is 48, while the sum is 15.
The square root of 12121314 is about 3481.5677503102. The cubic root of 12121314 is about 229.7117624331.
Adding to 12121314 its reverse (41312121), we get a palindrome (53433435).
The spelling of 12121314 in words is "twelve million, one hundred twenty-one thousand, three hundred fourteen".
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