Base | Representation |
---|---|
bin | 11100001101011100… |
… | …10111110101110010 |
3 | 1110002111101010122110 |
4 | 32012232113311302 |
5 | 222004133030411 |
6 | 10542502150150 |
7 | 1044212055633 |
oct | 160656276562 |
9 | 43074333573 |
10 | 15145205106 |
11 | 6472089839 |
12 | 2b28122356 |
13 | 1574959635 |
14 | a3962188a |
15 | 5d99482a6 |
hex | 386b97d72 |
15145205106 has 24 divisors (see below), whose sum is σ = 32177013840. Its totient is φ = 4751436352.
The previous prime is 15145205039. The next prime is 15145205149. The reversal of 15145205106 is 60150254151.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4365396 + ... + 4368863.
It is an arithmetic number, because the mean of its divisors is an integer number (1340708910).
Almost surely, 215145205106 is an apocalyptic number.
15145205106 is an abundant number, since it is smaller than the sum of its proper divisors (17031808734).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15145205106 is a wasteful number, since it uses less digits than its factorization.
15145205106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8734298 (or 8734281 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 30.
Adding to 15145205106 its reverse (60150254151), we get a palindrome (75295459257).
The spelling of 15145205106 in words is "fifteen billion, one hundred forty-five million, two hundred five thousand, one hundred six".
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