Base | Representation |
---|---|
bin | 11100001001011100… |
… | …010111001110110000 |
3 | 2220000022021200212020 |
4 | 130021130113032300 |
5 | 443344114414300 |
6 | 21515004031440 |
7 | 2116646654133 |
oct | 341134271660 |
9 | 86008250766 |
10 | 30223201200 |
11 | 118aa233435 |
12 | 5a35832580 |
13 | 2b086b390a |
14 | 1669d4a21a |
15 | bbd5178a0 |
hex | 7097173b0 |
30223201200 has 120 divisors (see below), whose sum is σ = 101910590400. Its totient is φ = 7635329280.
The previous prime is 30223201189. The next prime is 30223201201. The reversal of 30223201200 is 210232203.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 30223201200.
It is not an unprimeable number, because it can be changed into a prime (30223201201) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 639990 + ... + 685589.
It is an arithmetic number, because the mean of its divisors is an integer number (849254920).
Almost surely, 230223201200 is an apocalyptic number.
30223201200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30223201200 is an abundant number, since it is smaller than the sum of its proper divisors (71687389200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30223201200 is a wasteful number, since it uses less digits than its factorization.
30223201200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1325619 (or 1325608 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 30223201200 its reverse (210232203), we get a palindrome (30433433403).
The spelling of 30223201200 in words is "thirty billion, two hundred twenty-three million, two hundred one thousand, two hundred".
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