Base | Representation |
---|---|
bin | 110010000011… |
… | …111100000010 |
3 | 220200201211021 |
4 | 302003330002 |
5 | 11324421310 |
6 | 1145140054 |
7 | 216355303 |
oct | 62037402 |
9 | 26621737 |
10 | 13123330 |
11 | 7453830 |
12 | 448a62a |
13 | 29463ac |
14 | 1a587aa |
15 | 12435da |
hex | c83f02 |
13123330 has 32 divisors (see below), whose sum is σ = 26267328. Its totient is φ = 4680000.
The previous prime is 13123307. The next prime is 13123339. The reversal of 13123330 is 3332131.
It is not an unprimeable number, because it can be changed into a prime (13123339) 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, 4705 + ... + 6955.
It is an arithmetic number, because the mean of its divisors is an integer number (820854).
Almost surely, 213123330 is an apocalyptic number.
13123330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13123330 is an abundant number, since it is smaller than the sum of its proper divisors (13143998).
13123330 is a wasteful number, since it uses less digits than its factorization.
13123330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2322.
The product of its (nonzero) digits is 162, while the sum is 16.
The square root of 13123330 is about 3622.6136973186. The cubic root of 13123330 is about 235.8746940849.
Adding to 13123330 its reverse (3332131), we get a palindrome (16455461).
The spelling of 13123330 in words is "thirteen million, one hundred twenty-three thousand, three hundred thirty".
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