Base | Representation |
---|---|
bin | 1100010110100000100… |
… | …0010010100111111001 |
3 | 202021201121111021212222 |
4 | 3011220020102213321 |
5 | 11434041300321101 |
6 | 241252235013425 |
7 | 21221344436252 |
oct | 3055010224771 |
9 | 667647437788 |
10 | 212200401401 |
11 | 81aa265a36a |
12 | 3516159a275 |
13 | 17019b4b8c1 |
14 | a3b0587b29 |
15 | 57be5cd01b |
hex | 31682129f9 |
212200401401 has 16 divisors (see below), whose sum is σ = 236606909760. Its totient is φ = 189127572480.
The previous prime is 212200401389. The next prime is 212200401403. The reversal of 212200401401 is 104104002212.
It is a cyclic number.
It is not a de Polignac number, because 212200401401 - 218 = 212200139257 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 212200401401.
It is not an unprimeable number, because it can be changed into a prime (212200401403) 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 in 15 ways as a sum of consecutive naturals, for example, 644786 + ... + 916596.
It is an arithmetic number, because the mean of its divisors is an integer number (14787931860).
Almost surely, 2212200401401 is an apocalyptic number.
It is an amenable number.
212200401401 is a deficient number, since it is larger than the sum of its proper divisors (24406508359).
212200401401 is a wasteful number, since it uses less digits than its factorization.
212200401401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274264.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 212200401401 its reverse (104104002212), we get a palindrome (316304403613).
The spelling of 212200401401 in words is "two hundred twelve billion, two hundred million, four hundred one thousand, four hundred one".
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