Base | Representation |
---|---|
bin | 100100101010011… |
… | …1010101100000001 |
3 | 10011201212122121221 |
4 | 1021110322230001 |
5 | 10004414020113 |
6 | 322023515041 |
7 | 42325461220 |
oct | 11124725401 |
9 | 3151778557 |
10 | 1230220033 |
11 | 581477579 |
12 | 2a3bb8a81 |
13 | 167b45663 |
14 | b9558cb7 |
15 | 7300998d |
hex | 4953ab01 |
1230220033 has 16 divisors (see below), whose sum is σ = 1445904000. Its totient is φ = 1024924032.
The previous prime is 1230220009. The next prime is 1230220063. The reversal of 1230220033 is 3300220321.
It is a cyclic number.
It is not a de Polignac number, because 1230220033 - 217 = 1230088961 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1230219989 and 1230220016.
It is not an unprimeable number, because it can be changed into a prime (1230220063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20023 + ... + 53491.
It is an arithmetic number, because the mean of its divisors is an integer number (90369000).
Almost surely, 21230220033 is an apocalyptic number.
It is an amenable number.
1230220033 is a deficient number, since it is larger than the sum of its proper divisors (215683967).
1230220033 is an equidigital number, since it uses as much as digits as its factorization.
1230220033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33624.
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 1230220033 is about 35074.4926264087. The cubic root of 1230220033 is about 1071.5051554307.
Adding to 1230220033 its reverse (3300220321), we get a palindrome (4530440354).
The spelling of 1230220033 in words is "one billion, two hundred thirty million, two hundred twenty thousand, thirty-three".
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