Base | Representation |
---|---|
bin | 1011000110001000100111… |
… | …0111101100101001010101 |
3 | 1121012022101101101001111210 |
4 | 2301202021313230221111 |
5 | 3044341120132400041 |
6 | 41540340101052033 |
7 | 2366264605450503 |
oct | 261421167545125 |
9 | 47168341331453 |
10 | 12200020200021 |
11 | 3983aaa392635 |
12 | 14505420b7019 |
13 | 6a65c2c62224 |
14 | 3026ac63b673 |
15 | 16253d035016 |
hex | b1889deca55 |
12200020200021 has 32 divisors (see below), whose sum is σ = 16500795138432. Its totient is φ = 8017214849280.
The previous prime is 12200020200001. The next prime is 12200020200047. The reversal of 12200020200021 is 12000202000221.
12200020200021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12200020200021 - 29 = 12200020199509 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12200020200001) 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, 74229891 + ... + 74394063.
It is an arithmetic number, because the mean of its divisors is an integer number (515649848076).
Almost surely, 212200020200021 is an apocalyptic number.
It is an amenable number.
12200020200021 is a deficient number, since it is larger than the sum of its proper divisors (4300774938411).
12200020200021 is a wasteful number, since it uses less digits than its factorization.
12200020200021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165573.
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 12200020200021 its reverse (12000202000221), we get a palindrome (24200222200242).
It can be divided in two parts, 1 and 2200020200021, that added together give a palindrome (2200020200022).
The spelling of 12200020200021 in words is "twelve trillion, two hundred billion, twenty million, two hundred thousand, twenty-one".
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