Base | Representation |
---|---|
bin | 1100111111100010001… |
… | …1001010110111100100 |
3 | 210100011010012120100110 |
4 | 3033320203022313210 |
5 | 12124120101114340 |
6 | 250313123413020 |
7 | 22061301520020 |
oct | 3177043126744 |
9 | 710133176313 |
10 | 223213301220 |
11 | 867340a8a68 |
12 | 37315824170 |
13 | 18083641980 |
14 | ab37055380 |
15 | 5c16369680 |
hex | 33f88cade4 |
223213301220 has 192 divisors, whose sum is σ = 802672496640. Its totient is φ = 45047895552.
The previous prime is 223213301209. The next prime is 223213301221. The reversal of 223213301220 is 22103312322.
It is a happy number.
It is a super-3 number, since 3×2232133012203 (a number of 35 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (223213301221) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 763150 + ... + 1014309.
It is an arithmetic number, because the mean of its divisors is an integer number (4180585920).
Almost surely, 2223213301220 is an apocalyptic number.
223213301220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223213301220 is an abundant number, since it is smaller than the sum of its proper divisors (579459195420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223213301220 is a wasteful number, since it uses less digits than its factorization.
223213301220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1777514 (or 1777512 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 223213301220 its reverse (22103312322), we get a palindrome (245316613542).
The spelling of 223213301220 in words is "two hundred twenty-three billion, two hundred thirteen million, three hundred one thousand, two hundred twenty".
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