Base | Representation |
---|---|
bin | 1100111111100001011… |
… | …0100100111101011101 |
3 | 210100010212222212020020 |
4 | 3033320112210331131 |
5 | 12124113230001341 |
6 | 250312524542353 |
7 | 22061231461065 |
oct | 3177026447535 |
9 | 710125885206 |
10 | 223210000221 |
11 | 8673225396a |
12 | 373146b19b9 |
13 | 18082a57310 |
14 | ab368363a5 |
15 | 5c15e16566 |
hex | 33f85a4f5d |
223210000221 has 32 divisors (see below), whose sum is σ = 339910639488. Its totient is φ = 129070233600.
The previous prime is 223210000199. The next prime is 223210000241. The reversal of 223210000221 is 122000012322.
It is a happy number.
It is not a de Polignac number, because 223210000221 - 26 = 223210000157 is a prime.
It is a super-3 number, since 3×2232100002213 (a number of 35 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 223210000221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223210000241) 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 31 ways as a sum of consecutive naturals, for example, 136246 + ... + 681896.
It is an arithmetic number, because the mean of its divisors is an integer number (10622207484).
Almost surely, 2223210000221 is an apocalyptic number.
It is an amenable number.
223210000221 is a deficient number, since it is larger than the sum of its proper divisors (116700639267).
223210000221 is a wasteful number, since it uses less digits than its factorization.
223210000221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 546301.
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 223210000221 its reverse (122000012322), we get a palindrome (345210012543).
The spelling of 223210000221 in words is "two hundred twenty-three billion, two hundred ten million, two hundred twenty-one", and thus it is an aban number.
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