Base | Representation |
---|---|
bin | 10101011100000111… |
… | …100001101011101000 |
3 | 2012102022210002020001 |
4 | 111130013201223220 |
5 | 334121200011240 |
6 | 14324141112344 |
7 | 1443315302044 |
oct | 253407415350 |
9 | 65368702201 |
10 | 23020313320 |
11 | 9843404134 |
12 | 45655586b4 |
13 | 222b352094 |
14 | 1185499024 |
15 | 8eaec389a |
hex | 55c1e1ae8 |
23020313320 has 32 divisors (see below), whose sum is σ = 51813772200. Its totient is φ = 9204913408.
The previous prime is 23020313317. The next prime is 23020313333. The reversal of 23020313320 is 2331302032.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 19777921956 + 3242391364 = 140634^2 + 56942^2 .
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 7 ways as a sum of consecutive naturals, for example, 17442 + ... + 215278.
Almost surely, 223020313320 is an apocalyptic number.
23020313320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23020313320 is an abundant number, since it is smaller than the sum of its proper divisors (28793458880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23020313320 is a wasteful number, since it uses less digits than its factorization.
23020313320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 200757 (or 200753 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 23020313320 its reverse (2331302032), we get a palindrome (25351615352).
The spelling of 23020313320 in words is "twenty-three billion, twenty million, three hundred thirteen thousand, three hundred twenty".
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