Base | Representation |
---|---|
bin | 11000100111111110… |
… | …01000110101000101 |
3 | 1021010100011202211021 |
4 | 30103333020311011 |
5 | 204033334021404 |
6 | 10023455111141 |
7 | 645416006056 |
oct | 142377106505 |
9 | 37110152737 |
10 | 13220220229 |
11 | 5674519147 |
12 | 268b5124b1 |
13 | 1328bb8728 |
14 | 8d5ad272d |
15 | 525952454 |
hex | 313fc8d45 |
13220220229 has 8 divisors (see below), whose sum is σ = 13246555968. Its totient is φ = 13193904000.
The previous prime is 13220220217. The next prime is 13220220253. The reversal of 13220220229 is 92202202231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13220220229 - 213 = 13220212037 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13220229229) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2586094 + ... + 2591200.
It is an arithmetic number, because the mean of its divisors is an integer number (1655819496).
Almost surely, 213220220229 is an apocalyptic number.
It is an amenable number.
13220220229 is a deficient number, since it is larger than the sum of its proper divisors (26335739).
13220220229 is an equidigital number, since it uses as much as digits as its factorization.
13220220229 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9755.
The product of its (nonzero) digits is 1728, while the sum is 25.
It can be divided in two parts, 132202202 and 29, that added together give a palindrome (132202231).
The spelling of 13220220229 in words is "thirteen billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-nine".
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