Base | Representation |
---|---|
bin | 11100000000111010… |
… | …11100101110000001 |
3 | 1102211011121111212201 |
4 | 32000131130232001 |
5 | 221300231332340 |
6 | 10524225353201 |
7 | 1041464533426 |
oct | 160035345601 |
9 | 42734544781 |
10 | 15040105345 |
11 | 6418824831 |
12 | 2ab8a98801 |
13 | 1558c4b825 |
14 | a296a3d4d |
15 | 5d05d779a |
hex | 38075cb81 |
15040105345 has 4 divisors (see below), whose sum is σ = 18048126420. Its totient is φ = 12032084272.
The previous prime is 15040105303. The next prime is 15040105349. The reversal of 15040105345 is 54350104051.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 7745408064 + 7294697281 = 88008^2 + 85409^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-15040105345 is a prime.
It is not an unprimeable number, because it can be changed into a prime (15040105349) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1504010530 + ... + 1504010539.
It is an arithmetic number, because the mean of its divisors is an integer number (4512031605).
Almost surely, 215040105345 is an apocalyptic number.
It is an amenable number.
15040105345 is a deficient number, since it is larger than the sum of its proper divisors (3008021075).
15040105345 is an equidigital number, since it uses as much as digits as its factorization.
15040105345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3008021074.
The product of its (nonzero) digits is 6000, while the sum is 28.
Adding to 15040105345 its reverse (54350104051), we get a palindrome (69390209396).
The spelling of 15040105345 in words is "fifteen billion, forty million, one hundred five thousand, three hundred forty-five".
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