Base | Representation |
---|---|
bin | 110000001111111011100110… |
… | …011111000001111011001001 |
3 | 1000211100012221000102010102222 |
4 | 300033323212133001323021 |
5 | 210303200142401321301 |
6 | 2031151445303503425 |
7 | 62461006056551051 |
oct | 6017734637017311 |
9 | 1024305830363388 |
10 | 212201021120201 |
11 | 61682a47398043 |
12 | 1b971b90757b75 |
13 | 91536166c1069 |
14 | 3a5882716c561 |
15 | 197ec7edd831b |
hex | c0fee67c1ec9 |
212201021120201 has 16 divisors (see below), whose sum is σ = 217642373487360. Its totient is φ = 206799127862400.
The previous prime is 212201021120131. The next prime is 212201021120233. The reversal of 212201021120201 is 102021120102212.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-212201021120201 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 212201021120201.
It is not an unprimeable number, because it can be changed into a prime (212201021126201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18110390 + ... + 27429696.
It is an arithmetic number, because the mean of its divisors is an integer number (13602648342960).
Almost surely, 2212201021120201 is an apocalyptic number.
It is an amenable number.
212201021120201 is a deficient number, since it is larger than the sum of its proper divisors (5441352367159).
212201021120201 is a wasteful number, since it uses less digits than its factorization.
212201021120201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9321424.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 212201021120201 its reverse (102021120102212), we get a palindrome (314222141222413).
The spelling of 212201021120201 in words is "two hundred twelve trillion, two hundred one billion, twenty-one million, one hundred twenty thousand, two hundred one".
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