Base | Representation |
---|---|
bin | 10110101110010111… |
… | …01100010101011011 |
3 | 1011111020122100121102 |
4 | 23113023230111123 |
5 | 144441211214321 |
6 | 5334334302015 |
7 | 611221102124 |
oct | 132713542533 |
9 | 34436570542 |
10 | 12200101211 |
11 | 51a0703681 |
12 | 244595790b |
13 | 11c5755bcc |
14 | 83a42904b |
15 | 4b60e9c0b |
hex | 2d72ec55b |
12200101211 has 4 divisors (see below), whose sum is σ = 12200545752. Its totient is φ = 12199656672.
The previous prime is 12200101189. The next prime is 12200101283. The reversal of 12200101211 is 11210100221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12200101211 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12200101192 and 12200101201.
It is not an unprimeable number, because it can be changed into a prime (12200107211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178190 + ... + 236963.
It is an arithmetic number, because the mean of its divisors is an integer number (3050136438).
Almost surely, 212200101211 is an apocalyptic number.
12200101211 is a deficient number, since it is larger than the sum of its proper divisors (444541).
12200101211 is an equidigital number, since it uses as much as digits as its factorization.
12200101211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 444540.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 12200101211 its reverse (11210100221), we get a palindrome (23410201432).
It can be divided in two parts, 1220010 and 1211, that added together give a palindrome (1221221).
The spelling of 12200101211 in words is "twelve billion, two hundred million, one hundred one thousand, two hundred eleven".
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