Base | Representation |
---|---|
bin | 110010011001… |
… | …110111010110 |
3 | 220212022000122 |
4 | 302121313112 |
5 | 11340310032 |
6 | 1151111542 |
7 | 220211165 |
oct | 62316726 |
9 | 26768018 |
10 | 13213142 |
11 | 7505258 |
12 | 45125b2 |
13 | 2978237 |
14 | 1a7d3dc |
15 | 1260012 |
hex | c99dd6 |
13213142 has 8 divisors (see below), whose sum is σ = 19899432. Its totient is φ = 6580000.
The previous prime is 13213139. The next prime is 13213153. The reversal of 13213142 is 24131231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 13213142.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12659 + ... + 13662.
It is an arithmetic number, because the mean of its divisors is an integer number (2487429).
Almost surely, 213213142 is an apocalyptic number.
13213142 is a deficient number, since it is larger than the sum of its proper divisors (6686290).
13213142 is a wasteful number, since it uses less digits than its factorization.
13213142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26574.
The product of its digits is 144, while the sum is 17.
The square root of 13213142 is about 3634.9885832008. The cubic root of 13213142 is about 236.4115556511.
Adding to 13213142 its reverse (24131231), we get a palindrome (37344373).
The spelling of 13213142 in words is "thirteen million, two hundred thirteen thousand, one hundred forty-two".
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