Base | Representation |
---|---|
bin | 10111001100110001… |
… | …10100110110100100 |
3 | 1012011000122211101122 |
4 | 23212120310312210 |
5 | 201002012432322 |
6 | 5415530113112 |
7 | 620436320615 |
oct | 134630646644 |
9 | 35130584348 |
10 | 12455202212 |
11 | 5311700852 |
12 | 24b727b798 |
13 | 123656334b |
14 | 862271c0c |
15 | 4cd6da442 |
hex | 2e6634da4 |
12455202212 has 6 divisors (see below), whose sum is σ = 21796603878. Its totient is φ = 6227601104.
The previous prime is 12455202197. The next prime is 12455202239. The reversal of 12455202212 is 21220255421.
12455202212 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., 12335212096 + 119990116 = 111064^2 + 10954^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556900273 + ... + 1556900280.
It is an arithmetic number, because the mean of its divisors is an integer number (3632767313).
Almost surely, 212455202212 is an apocalyptic number.
It is an amenable number.
12455202212 is a deficient number, since it is larger than the sum of its proper divisors (9341401666).
12455202212 is a wasteful number, since it uses less digits than its factorization.
12455202212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3113800557 (or 3113800555 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 26.
Adding to 12455202212 its reverse (21220255421), we get a palindrome (33675457633).
The spelling of 12455202212 in words is "twelve billion, four hundred fifty-five million, two hundred two thousand, two hundred twelve".
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