Base | Representation |
---|---|
bin | 10101011100101101… |
… | …010100011000101010 |
3 | 2012110000102102002100 |
4 | 111130231110120222 |
5 | 334131214022310 |
6 | 14325133314230 |
7 | 1443465433335 |
oct | 253455243052 |
9 | 65400372070 |
10 | 23030220330 |
11 | 9848a60447 |
12 | 4568935976 |
13 | 2230410510 |
14 | 118691761c |
15 | 8ebccdec0 |
hex | 55cb5462a |
23030220330 has 96 divisors (see below), whose sum is σ = 64670533200. Its totient is φ = 5652633600.
The previous prime is 23030220329. The next prime is 23030220347. The reversal of 23030220330 is 3302203032.
23030220330 is a `hidden beast` number, since 2 + 30 + 302 + 2 + 0 + 330 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 9736360929 + 13293859401 = 98673^2 + 115299^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 380130 + ... + 436530.
Almost surely, 223030220330 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23030220330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32335266600).
23030220330 is an abundant number, since it is smaller than the sum of its proper divisors (41640312870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23030220330 is a wasteful number, since it uses less digits than its factorization.
23030220330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56776 (or 56773 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 18.
Adding to 23030220330 its reverse (3302203032), we get a palindrome (26332423362).
The spelling of 23030220330 in words is "twenty-three billion, thirty million, two hundred twenty thousand, three hundred thirty".
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