Base | Representation |
---|---|
bin | 10110100011111000… |
… | …11000000101000001 |
3 | 1011021010020111211001 |
4 | 23101330120011001 |
5 | 144301210400001 |
6 | 5321514252001 |
7 | 606103000306 |
oct | 132174300501 |
9 | 34233214731 |
10 | 12112200001 |
11 | 5156026150 |
12 | 2420427001 |
13 | 11b048a365 |
14 | 82c8a70ad |
15 | 4ad535001 |
hex | 2d1f18141 |
12112200001 has 32 divisors (see below), whose sum is σ = 14781242880. Its totient is φ = 9792921600.
The previous prime is 12112199989. The next prime is 12112200013. The reversal of 12112200001 is 10000221121.
It is an interprime number because it is at equal distance from previous prime (12112199989) and next prime (12112200013).
It is not a de Polignac number, because 12112200001 - 217 = 12112068929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12112200101) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231121 + ... + 278641.
It is an arithmetic number, because the mean of its divisors is an integer number (461913840).
Almost surely, 212112200001 is an apocalyptic number.
12112200001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12112200001 is a deficient number, since it is larger than the sum of its proper divisors (2669042879).
12112200001 is a wasteful number, since it uses less digits than its factorization.
12112200001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47625.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 12112200001 its reverse (10000221121), we get a palindrome (22112421122).
The spelling of 12112200001 in words is "twelve billion, one hundred twelve million, two hundred thousand, one".
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