Base | Representation |
---|---|
bin | 110010000000… |
… | …001010001111 |
3 | 220122221121010 |
4 | 302000022033 |
5 | 11323422410 |
6 | 1144540303 |
7 | 216262215 |
oct | 62001217 |
9 | 26587533 |
10 | 13107855 |
11 | 7443142 |
12 | 4481693 |
13 | 293c337 |
14 | 1a52cb5 |
15 | 123dc20 |
hex | c8028f |
13107855 has 16 divisors (see below), whose sum is σ = 21696480. Its totient is φ = 6749568.
The previous prime is 13107847. The next prime is 13107893. The reversal of 13107855 is 55870131.
It is not a de Polignac number, because 13107855 - 23 = 13107847 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14632 + ... + 15501.
It is an arithmetic number, because the mean of its divisors is an integer number (1356030).
Almost surely, 213107855 is an apocalyptic number.
13107855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13107855 is a deficient number, since it is larger than the sum of its proper divisors (8588625).
13107855 is a wasteful number, since it uses less digits than its factorization.
13107855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30170.
The product of its (nonzero) digits is 4200, while the sum is 30.
The square root of 13107855 is about 3620.4771784946. The cubic root of 13107855 is about 235.7819433226.
Adding to 13107855 its reverse (55870131), we get a palindrome (68977986).
The spelling of 13107855 in words is "thirteen million, one hundred seven thousand, eight hundred fifty-five".
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