Base | Representation |
---|---|
bin | 11000100111001001… |
… | …10010010011101001 |
3 | 1021002212011210211120 |
4 | 30103210302103221 |
5 | 204030101442413 |
6 | 10023051045453 |
7 | 645303205122 |
oct | 142344622351 |
9 | 37085153746 |
10 | 13213312233 |
11 | 5670630060 |
12 | 2689140889 |
13 | 132763a364 |
14 | 8d4c15049 |
15 | 52503a723 |
hex | 3139324e9 |
13213312233 has 16 divisors (see below), whose sum is σ = 19666327296. Its totient is φ = 7821833040.
The previous prime is 13213312199. The next prime is 13213312267. The reversal of 13213312233 is 33221331231.
It is an interprime number because it is at equal distance from previous prime (13213312199) and next prime (13213312267).
It is not a de Polignac number, because 13213312233 - 220 = 13212263657 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13213310233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4654435 + ... + 4657272.
It is an arithmetic number, because the mean of its divisors is an integer number (1229145456).
Almost surely, 213213312233 is an apocalyptic number.
It is an amenable number.
13213312233 is a deficient number, since it is larger than the sum of its proper divisors (6453015063).
13213312233 is a wasteful number, since it uses less digits than its factorization.
13213312233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9311764.
The product of its digits is 1944, while the sum is 24.
Adding to 13213312233 its reverse (33221331231), we get a palindrome (46434643464).
The spelling of 13213312233 in words is "thirteen billion, two hundred thirteen million, three hundred twelve thousand, two hundred thirty-three".
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