Base | Representation |
---|---|
bin | 1100111111011111010… |
… | …1001000010101011100 |
3 | 210100010021111101210110 |
4 | 3033313311020111130 |
5 | 12124104003412340 |
6 | 250312013010020 |
7 | 22061064112311 |
oct | 3176765102534 |
9 | 710107441713 |
10 | 223201232220 |
11 | 8672830538a |
12 | 37311783910 |
13 | 18080ca7455 |
14 | ab355d2d08 |
15 | 5c15283680 |
hex | 33f7d4855c |
223201232220 has 48 divisors (see below), whose sum is σ = 625983069600. Its totient is φ = 59423222016.
The previous prime is 223201232179. The next prime is 223201232297. The reversal of 223201232220 is 22232102322.
It is a super-3 number, since 3×2232012322203 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2997495 + ... + 3071054.
It is an arithmetic number, because the mean of its divisors is an integer number (13041313950).
Almost surely, 2223201232220 is an apocalyptic number.
223201232220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223201232220 is an abundant number, since it is smaller than the sum of its proper divisors (402781837380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223201232220 is a wasteful number, since it uses less digits than its factorization.
223201232220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6069174 (or 6069172 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 223201232220 its reverse (22232102322), we get a palindrome (245433334542).
The spelling of 223201232220 in words is "two hundred twenty-three billion, two hundred one million, two hundred thirty-two thousand, two hundred twenty".
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