Base | Representation |
---|---|
bin | 1011000110001000100101… |
… | …0100100110100110011101 |
3 | 1121012022100202001122202110 |
4 | 2301202021110212212131 |
5 | 3044341110304001341 |
6 | 41540335131544233 |
7 | 2366264434323102 |
oct | 261421124464635 |
9 | 47168322048673 |
10 | 12200011000221 |
11 | 3983aa51796a0 |
12 | 145053abbb079 |
13 | 6a65c1090965 |
14 | 3026ab324aa9 |
15 | 16253c319216 |
hex | b188952699d |
12200011000221 has 64 divisors (see below), whose sum is σ = 18568426127616. Its totient is φ = 7059838464000.
The previous prime is 12200011000213. The next prime is 12200011000231.
12200011000221 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 12200011000221 - 23 = 12200011000213 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12200011000197 and 12200011000206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12200011000231) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13497535 + ... + 14373011.
It is an arithmetic number, because the mean of its divisors is an integer number (290131658244).
Almost surely, 212200011000221 is an apocalyptic number.
12200011000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12200011000221 is a deficient number, since it is larger than the sum of its proper divisors (6368415127395).
12200011000221 is a wasteful number, since it uses less digits than its factorization.
12200011000221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 875742.
The product of its (nonzero) digits is 16, while the sum is 12.
It can be divided in two parts, 1220001 and 1000221, that added together give a palindrome (2220222).
The spelling of 12200011000221 in words is "twelve trillion, two hundred billion, eleven million, two hundred twenty-one", and thus it is an aban number.
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