Base | Representation |
---|---|
bin | 11000001101101111… |
… | …00111000101111000 |
3 | 1020120000001200221002 |
4 | 30012313213011320 |
5 | 203111014040344 |
6 | 5545554104132 |
7 | 640104252125 |
oct | 140667470570 |
9 | 36500050832 |
10 | 13000143224 |
11 | 5571273022 |
12 | 262987b048 |
13 | 12c2421c53 |
14 | 8b47a574c |
15 | 51147e44e |
hex | 306de7178 |
13000143224 has 32 divisors (see below), whose sum is σ = 25501089600. Its totient is φ = 6206599680.
The previous prime is 13000143199. The next prime is 13000143227. The reversal of 13000143224 is 42234100031.
It is a super-2 number, since 2×130001432242 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13000143196 and 13000143205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13000143227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406229 + ... + 437060.
It is an arithmetic number, because the mean of its divisors is an integer number (796909050).
Almost surely, 213000143224 is an apocalyptic number.
It is an amenable number.
13000143224 is a deficient number, since it is larger than the sum of its proper divisors (12500946376).
13000143224 is a wasteful number, since it uses less digits than its factorization.
13000143224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 843383 (or 843379 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 13000143224 its reverse (42234100031), we get a palindrome (55234243255).
The spelling of 13000143224 in words is "thirteen billion, one hundred forty-three thousand, two hundred twenty-four".
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