Base | Representation |
---|---|
bin | 1100011101101010011… |
… | …1110000110011000001 |
3 | 202110200110220201101211 |
4 | 3013122213300303001 |
5 | 12002010020112311 |
6 | 242211013330121 |
7 | 21320060425660 |
oct | 3073247606301 |
9 | 673613821354 |
10 | 214121254081 |
11 | 82898958419 |
12 | 355b8936941 |
13 | 17264aa3a17 |
14 | a51371cdd7 |
15 | 5883059821 |
hex | 31da9f0cc1 |
214121254081 has 16 divisors (see below), whose sum is σ = 250565971968. Its totient is φ = 179190723600.
The previous prime is 214121254063. The next prime is 214121254169. The reversal of 214121254081 is 180452121412.
214121254081 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 214121254081 - 27 = 214121253953 is a prime.
It is a super-2 number, since 2×2141212540812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (214121204081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2040205 + ... + 2142586.
It is an arithmetic number, because the mean of its divisors is an integer number (15660373248).
Almost surely, 2214121254081 is an apocalyptic number.
It is an amenable number.
214121254081 is a deficient number, since it is larger than the sum of its proper divisors (36444717887).
214121254081 is a wasteful number, since it uses less digits than its factorization.
214121254081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4182972.
The product of its (nonzero) digits is 5120, while the sum is 31.
Adding to 214121254081 its reverse (180452121412), we get a palindrome (394573375493).
The spelling of 214121254081 in words is "two hundred fourteen billion, one hundred twenty-one million, two hundred fifty-four thousand, eighty-one".
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