Base | Representation |
---|---|
bin | 101000000101101… |
… | …0100010011001111 |
3 | 10110202010101200201 |
4 | 1100023110103033 |
5 | 10223324102030 |
6 | 341251034331 |
7 | 45222351445 |
oct | 12013242317 |
9 | 3422111621 |
10 | 1345144015 |
11 | 630331676 |
12 | 31659b9a7 |
13 | 1858b3007 |
14 | ca912b95 |
15 | 7d15b2ca |
hex | 502d44cf |
1345144015 has 8 divisors (see below), whose sum is σ = 1615506480. Its totient is φ = 1075226112.
The previous prime is 1345144013. The next prime is 1345144037. The reversal of 1345144015 is 5104415431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1345144015 - 21 = 1345144013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1345144013) 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, 104445 + ... + 116614.
It is an arithmetic number, because the mean of its divisors is an integer number (201938310).
Almost surely, 21345144015 is an apocalyptic number.
1345144015 is a deficient number, since it is larger than the sum of its proper divisors (270362465).
1345144015 is a wasteful number, since it uses less digits than its factorization.
1345144015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222281.
The product of its (nonzero) digits is 4800, while the sum is 28.
The square root of 1345144015 is about 36676.2050245115. The cubic root of 1345144015 is about 1103.8827018550.
Adding to 1345144015 its reverse (5104415431), we get a palindrome (6449559446).
The spelling of 1345144015 in words is "one billion, three hundred forty-five million, one hundred forty-four thousand, fifteen".
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