Base | Representation |
---|---|
bin | 10010111010001001… |
… | …110011101011011010 |
3 | 1221101221200101022021 |
4 | 102322021303223122 |
5 | 313040032033310 |
6 | 13154351445054 |
7 | 1316061446422 |
oct | 227211635332 |
9 | 57357611267 |
10 | 20303002330 |
11 | 8679574176 |
12 | 3b2752678a |
13 | 1bb73b7160 |
14 | da863b482 |
15 | 7dc66e5da |
hex | 4ba273ada |
20303002330 has 32 divisors (see below), whose sum is σ = 41427993600. Its totient is φ = 7101940032.
The previous prime is 20303002327. The next prime is 20303002409. The reversal of 20303002330 is 3320030302.
It is a happy number.
It is a super-2 number, since 2×203030023302 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4107450 + ... + 4112389.
It is an arithmetic number, because the mean of its divisors is an integer number (1294624800).
Almost surely, 220303002330 is an apocalyptic number.
20303002330 is an abundant number, since it is smaller than the sum of its proper divisors (21124991270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20303002330 is a wasteful number, since it uses less digits than its factorization.
20303002330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8219878.
The product of its (nonzero) digits is 324, while the sum is 16.
Adding to 20303002330 its reverse (3320030302), we get a palindrome (23623032632).
The spelling of 20303002330 in words is "twenty billion, three hundred three million, two thousand, three hundred thirty".
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