Base | Representation |
---|---|
bin | 110001101000… |
… | …110011111011 |
3 | 220111002102001 |
4 | 301220303323 |
5 | 11312342334 |
6 | 1142521431 |
7 | 215413333 |
oct | 61506373 |
9 | 26432361 |
10 | 13012219 |
11 | 7388300 |
12 | 4436277 |
13 | 290794c |
14 | 1a2a0c3 |
15 | 1220714 |
hex | c68cfb |
13012219 has 12 divisors (see below), whose sum is σ = 14768320. Its totient is φ = 11444400.
The previous prime is 13012217. The next prime is 13012229. The reversal of 13012219 is 91221031.
It is not a de Polignac number, because 13012219 - 21 = 13012217 is a prime.
It is a super-2 number, since 2×130122192 = 338635686607922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13012196 and 13012205.
It is not an unprimeable number, because it can be changed into a prime (13012217) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2017 + ... + 5485.
Almost surely, 213012219 is an apocalyptic number.
13012219 is a deficient number, since it is larger than the sum of its proper divisors (1756101).
13012219 is a wasteful number, since it uses less digits than its factorization.
13012219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3522 (or 3511 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 19.
The square root of 13012219 is about 3607.2453479075. The cubic root of 13012219 is about 235.2071148275.
It can be divided in two parts, 13012 and 219, that added together give a palindrome (13231).
The spelling of 13012219 in words is "thirteen million, twelve thousand, two hundred nineteen".
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