Base | Representation |
---|---|
bin | 1100011110010110001… |
… | …1111110100101110101 |
3 | 202111011021022101200100 |
4 | 3013211203332211311 |
5 | 12002344012431011 |
6 | 242241131504313 |
7 | 21324446561313 |
oct | 3074543764565 |
9 | 674137271610 |
10 | 214304811381 |
11 | 8298252a771 |
12 | 3564a2b8099 |
13 | 17293b21acb |
14 | a52dc610b3 |
15 | 5894216d56 |
hex | 31e58fe975 |
214304811381 has 48 divisors (see below), whose sum is σ = 329693457600. Its totient is φ = 133752985344.
The previous prime is 214304811377. The next prime is 214304811397. The reversal of 214304811381 is 183118403412.
214304811381 is a `hidden beast` number, since 2 + 1 + 43 + 0 + 481 + 138 + 1 = 666.
It is not a de Polignac number, because 214304811381 - 22 = 214304811377 is a prime.
It is a super-2 number, since 2×2143048113812 (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 (214304811181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38912230 + ... + 38917736.
It is an arithmetic number, because the mean of its divisors is an integer number (6868613700).
Almost surely, 2214304811381 is an apocalyptic number.
It is an amenable number.
214304811381 is a deficient number, since it is larger than the sum of its proper divisors (115388646219).
214304811381 is a wasteful number, since it uses less digits than its factorization.
214304811381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8178 (or 8175 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The spelling of 214304811381 in words is "two hundred fourteen billion, three hundred four million, eight hundred eleven thousand, three hundred eighty-one".
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