Base | Representation |
---|---|
bin | 110010110010… |
… | …110000101011 |
3 | 221001110220102 |
4 | 302302300223 |
5 | 11402040430 |
6 | 1153220015 |
7 | 221114402 |
oct | 62626053 |
9 | 27043812 |
10 | 13315115 |
11 | 7574930 |
12 | 456160b |
13 | 29b2788 |
14 | 1aa8639 |
15 | 1280345 |
hex | cb2c2b |
13315115 has 8 divisors (see below), whose sum is σ = 17430768. Its totient is φ = 9683680.
The previous prime is 13315103. The next prime is 13315117. The reversal of 13315115 is 51151331.
13315115 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13315115 - 26 = 13315051 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13315117) 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, 120992 + ... + 121101.
It is an arithmetic number, because the mean of its divisors is an integer number (2178846).
Almost surely, 213315115 is an apocalyptic number.
13315115 is a deficient number, since it is larger than the sum of its proper divisors (4115653).
13315115 is a wasteful number, since it uses less digits than its factorization.
13315115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242109.
The product of its digits is 225, while the sum is 20.
The square root of 13315115 is about 3648.9882159305. The cubic root of 13315115 is about 237.0181699589.
Adding to 13315115 its reverse (51151331), we get a palindrome (64466446).
It can be divided in two parts, 1331 and 5115, that added together give a palindrome (6446).
The spelling of 13315115 in words is "thirteen million, three hundred fifteen thousand, one hundred fifteen".
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