Base | Representation |
---|---|
bin | 10011110000110100… |
… | …000011110101010110 |
3 | 2000202212021010202122 |
4 | 103300310003311112 |
5 | 321424313020324 |
6 | 13425351135542 |
7 | 1350565301531 |
oct | 236064036526 |
9 | 60685233678 |
10 | 21220048214 |
11 | 8aaa189332 |
12 | 41426745b2 |
13 | 200239b461 |
14 | 1054353a18 |
15 | 842e16a5e |
hex | 4f0d03d56 |
21220048214 has 8 divisors (see below), whose sum is σ = 31969068960. Its totient is φ = 10563691896.
The previous prime is 21220048177. The next prime is 21220048237. The reversal of 21220048214 is 41284002212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 23165534 + ... + 23166449.
It is an arithmetic number, because the mean of its divisors is an integer number (3996133620).
Almost surely, 221220048214 is an apocalyptic number.
21220048214 is a deficient number, since it is larger than the sum of its proper divisors (10749020746).
21220048214 is a wasteful number, since it uses less digits than its factorization.
21220048214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46332214.
The product of its (nonzero) digits is 2048, while the sum is 26.
The spelling of 21220048214 in words is "twenty-one billion, two hundred twenty million, forty-eight thousand, two hundred fourteen".
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