Base | Representation |
---|---|
bin | 11000001111000011… |
… | …11000001100100010 |
3 | 1020120202220121222101 |
4 | 30013201320030202 |
5 | 203121333121310 |
6 | 5551031401014 |
7 | 640300400500 |
oct | 140741701442 |
9 | 36522817871 |
10 | 13011223330 |
11 | 5577550736 |
12 | 263152316a |
13 | 12c4801321 |
14 | 8b604b670 |
15 | 51241c43a |
hex | 307878322 |
13011223330 has 24 divisors (see below), whose sum is σ = 27243909468. Its totient is φ = 4460990688.
The previous prime is 13011223319. The next prime is 13011223361. The reversal of 13011223330 is 3332211031.
It can be written as a sum of positive squares in 2 ways, for example, as 12982095721 + 29127609 = 113939^2 + 5397^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13011223298 and 13011223307.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13276269 + ... + 13277248.
Almost surely, 213011223330 is an apocalyptic number.
13011223330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13011223330 is an abundant number, since it is smaller than the sum of its proper divisors (14232686138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13011223330 is a wasteful number, since it uses less digits than its factorization.
13011223330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26553538 (or 26553531 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 13011223330 its reverse (3332211031), we get a palindrome (16343434361).
The spelling of 13011223330 in words is "thirteen billion, eleven million, two hundred twenty-three thousand, three hundred thirty".
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