Base | Representation |
---|---|
bin | 11000010100000010… |
… | …10101010001011001 |
3 | 1020200200120021210012 |
4 | 30022001111101121 |
5 | 203213033221241 |
6 | 5555123331305 |
7 | 641315603402 |
oct | 141201252131 |
9 | 36620507705 |
10 | 13053023321 |
11 | 5599100688 |
12 | 2643520b35 |
13 | 1300378250 |
14 | 8bb80c9a9 |
15 | 515e276eb |
hex | 30a055459 |
13053023321 has 4 divisors (see below), whose sum is σ = 14057102052. Its totient is φ = 12048944592.
The previous prime is 13053023311. The next prime is 13053023341. The reversal of 13053023321 is 12332035031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12332035031 = 1217 ⋅10133143.
It can be written as a sum of positive squares in 2 ways, for example, as 1158721600 + 11894301721 = 34040^2 + 109061^2 .
It is a cyclic number.
It is not a de Polignac number, because 13053023321 - 230 = 11979281497 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13053023311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502039346 + ... + 502039371.
It is an arithmetic number, because the mean of its divisors is an integer number (3514275513).
Almost surely, 213053023321 is an apocalyptic number.
It is an amenable number.
13053023321 is a deficient number, since it is larger than the sum of its proper divisors (1004078731).
13053023321 is a wasteful number, since it uses less digits than its factorization.
13053023321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1004078730.
The product of its (nonzero) digits is 1620, while the sum is 23.
Adding to 13053023321 its reverse (12332035031), we get a palindrome (25385058352).
The spelling of 13053023321 in words is "thirteen billion, fifty-three million, twenty-three thousand, three hundred twenty-one".
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