Base | Representation |
---|---|
bin | 11000100111111101… |
… | …10000011100001010 |
3 | 1021010022222200210022 |
4 | 30103332300130022 |
5 | 204033322322310 |
6 | 10023453020442 |
7 | 645415111604 |
oct | 142376603412 |
9 | 37108880708 |
10 | 13220120330 |
11 | 567446008a |
12 | 268b484722 |
13 | 1328b82111 |
14 | 8d5aa8174 |
15 | 525932a55 |
hex | 313fb070a |
13220120330 has 8 divisors (see below), whose sum is σ = 23796216612. Its totient is φ = 5288048128.
The previous prime is 13220120327. The next prime is 13220120339. The reversal of 13220120330 is 3302102231.
13220120330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 12432027001 + 788093329 = 111499^2 + 28073^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 13220120299 and 13220120308.
It is not an unprimeable number, because it can be changed into a prime (13220120339) 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 3 ways as a sum of consecutive naturals, for example, 661006007 + ... + 661006026.
Almost surely, 213220120330 is an apocalyptic number.
13220120330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13220120330 is a deficient number, since it is larger than the sum of its proper divisors (10576096282).
13220120330 is a wasteful number, since it uses less digits than its factorization.
13220120330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1322012040.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 13220120330 its reverse (3302102231), we get a palindrome (16522222561).
The spelling of 13220120330 in words is "thirteen billion, two hundred twenty million, one hundred twenty thousand, three hundred thirty".
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