Base | Representation |
---|---|
bin | 100000001110101101… |
… | …1100100101100111101 |
3 | 20121122120221002211200 |
4 | 1000131123210230331 |
5 | 2113222042303341 |
6 | 51443544010113 |
7 | 5000111604012 |
oct | 1003533445475 |
9 | 217576832750 |
10 | 69213244221 |
11 | 27398087890 |
12 | 114b7460939 |
13 | 66b0450ba4 |
14 | 34c8337709 |
15 | 1c01502db6 |
hex | 101d6e4b3d |
69213244221 has 12 divisors (see below), whose sum is σ = 109063294080. Its totient is φ = 41947420680.
The previous prime is 69213244171. The next prime is 69213244223. The reversal of 69213244221 is 12244231296.
It is a happy number.
69213244221 is a `hidden beast` number, since 69 + 2 + 132 + 442 + 21 = 666.
It is not a de Polignac number, because 69213244221 - 26 = 69213244157 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69213244223) 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 11 ways as a sum of consecutive naturals, for example, 349561741 + ... + 349561938.
It is an arithmetic number, because the mean of its divisors is an integer number (9088607840).
Almost surely, 269213244221 is an apocalyptic number.
It is an amenable number.
69213244221 is a deficient number, since it is larger than the sum of its proper divisors (39850049859).
69213244221 is a wasteful number, since it uses less digits than its factorization.
69213244221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 699123696 (or 699123693 counting only the distinct ones).
The product of its digits is 41472, while the sum is 36.
The spelling of 69213244221 in words is "sixty-nine billion, two hundred thirteen million, two hundred forty-four thousand, two hundred twenty-one".
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