Base | Representation |
---|---|
bin | 1100011111010111111… |
… | …0111101101100101101 |
3 | 202111212110201201220212 |
4 | 3013311332331230231 |
5 | 12003430030233234 |
6 | 242324332552205 |
7 | 21334333430462 |
oct | 3076576755455 |
9 | 674773651825 |
10 | 214580321069 |
11 | 83003aa7224 |
12 | 35706622665 |
13 | 17308c266aa |
14 | a55869b669 |
15 | 58ad4d95ce |
hex | 31f5fbdb2d |
214580321069 has 8 divisors (see below), whose sum is σ = 223398693240. Its totient is φ = 205920838656.
The previous prime is 214580321057. The next prime is 214580321077. The reversal of 214580321069 is 960123085412.
It can be written as a sum of positive squares in 4 ways, for example, as 157823452900 + 56756868169 = 397270^2 + 238237^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-214580321069 is a prime.
It is a super-2 number, since 2×2145803210692 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214580321089) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39719684 + ... + 39725085.
It is an arithmetic number, because the mean of its divisors is an integer number (27924836655).
Almost surely, 2214580321069 is an apocalyptic number.
It is an amenable number.
214580321069 is a deficient number, since it is larger than the sum of its proper divisors (8818372171).
214580321069 is an equidigital number, since it uses as much as digits as its factorization.
214580321069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79444879.
The product of its (nonzero) digits is 103680, while the sum is 41.
The spelling of 214580321069 in words is "two hundred fourteen billion, five hundred eighty million, three hundred twenty-one thousand, sixty-nine".
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