Base | Representation |
---|---|
bin | 11100001101011101… |
… | …10000010001111101 |
3 | 1110002111120012222010 |
4 | 32012232300101331 |
5 | 222004144231323 |
6 | 10542504241433 |
7 | 1044212653533 |
oct | 160656602175 |
9 | 43074505863 |
10 | 15145305213 |
11 | 6472147a75 |
12 | 2b28170279 |
13 | 157499307c |
14 | a3964a153 |
15 | 5d9967c93 |
hex | 386bb047d |
15145305213 has 16 divisors (see below), whose sum is σ = 22180769280. Its totient is φ = 9149565744.
The previous prime is 15145305209. The next prime is 15145305221. The reversal of 15145305213 is 31250354151.
It is not a de Polignac number, because 15145305213 - 22 = 15145305209 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15145305233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5774931 + ... + 5777552.
It is an arithmetic number, because the mean of its divisors is an integer number (1386298080).
Almost surely, 215145305213 is an apocalyptic number.
It is an amenable number.
15145305213 is a deficient number, since it is larger than the sum of its proper divisors (7035464067).
15145305213 is a wasteful number, since it uses less digits than its factorization.
15145305213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11552528.
The product of its (nonzero) digits is 9000, while the sum is 30.
Adding to 15145305213 its reverse (31250354151), we get a palindrome (46395659364).
The spelling of 15145305213 in words is "fifteen billion, one hundred forty-five million, three hundred five thousand, two hundred thirteen".
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