Base | Representation |
---|---|
bin | 11001111111110… |
… | …10110000010011 |
3 | 120012100201201002 |
4 | 30333322300103 |
5 | 421312113243 |
6 | 33350132215 |
7 | 5255445344 |
oct | 1477726023 |
9 | 505321632 |
10 | 218082323 |
11 | 102113528 |
12 | 6105106b |
13 | 362488c4 |
14 | 20d6c0cb |
15 | 1422beb8 |
hex | cffac13 |
218082323 has 8 divisors (see below), whose sum is σ = 230846400. Its totient is φ = 205446888.
The previous prime is 218082301. The next prime is 218082373. The reversal of 218082323 is 323280812.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 218082323 - 218 = 217820179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (218082373) 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 7 ways as a sum of consecutive naturals, for example, 28661 + ... + 35462.
It is an arithmetic number, because the mean of its divisors is an integer number (28855800).
Almost surely, 2218082323 is an apocalyptic number.
218082323 is a deficient number, since it is larger than the sum of its proper divisors (12764077).
218082323 is a wasteful number, since it uses less digits than its factorization.
218082323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64321.
The product of its (nonzero) digits is 4608, while the sum is 29.
The square root of 218082323 is about 14767.6106056464. The cubic root of 218082323 is about 601.9219140228.
The spelling of 218082323 in words is "two hundred eighteen million, eighty-two thousand, three hundred twenty-three".
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