Base | Representation |
---|---|
bin | 10110100011111000… |
… | …11010100100011010 |
3 | 1011021010021000210212 |
4 | 23101330122210122 |
5 | 144301211211302 |
6 | 5321514411122 |
7 | 606103042121 |
oct | 132174324432 |
9 | 34233230725 |
10 | 12112210202 |
11 | 5156032884 |
12 | 2420430aa2 |
13 | 11b0491bb1 |
14 | 82c8aaab8 |
15 | 4ad538052 |
hex | 2d1f1a91a |
12112210202 has 4 divisors (see below), whose sum is σ = 18168315306. Its totient is φ = 6056105100.
The previous prime is 12112210199. The next prime is 12112210207. The reversal of 12112210202 is 20201221121.
12112210202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 8820778561 + 3291431641 = 93919^2 + 57371^2 .
It is a super-3 number, since 3×121122102023 (a number of 31 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (12112210207) by changing a digit.
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, 3028052549 + ... + 3028052552.
Almost surely, 212112210202 is an apocalyptic number.
12112210202 is a deficient number, since it is larger than the sum of its proper divisors (6056105104).
12112210202 is an equidigital number, since it uses as much as digits as its factorization.
12112210202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6056105103.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 12112210202 its reverse (20201221121), we get a palindrome (32313431323).
The spelling of 12112210202 in words is "twelve billion, one hundred twelve million, two hundred ten thousand, two hundred two".
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