Base | Representation |
---|---|
bin | 110010001000… |
… | …100000100111 |
3 | 220201200111210 |
4 | 302020200213 |
5 | 11331021210 |
6 | 1145402503 |
7 | 216464013 |
oct | 62104047 |
9 | 26650453 |
10 | 13142055 |
11 | 7466903 |
12 | 4499433 |
13 | 2951a84 |
14 | 1a61543 |
15 | 1248e20 |
hex | c88827 |
13142055 has 8 divisors (see below), whose sum is σ = 21027312. Its totient is φ = 7009088.
The previous prime is 13142027. The next prime is 13142057. The reversal of 13142055 is 55024131.
13142055 is digitally balanced in base 3, because in such base 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 a cyclic number.
It is not a de Polignac number, because 13142055 - 26 = 13141991 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13142057) 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, 438054 + ... + 438083.
It is an arithmetic number, because the mean of its divisors is an integer number (2628414).
Almost surely, 213142055 is an apocalyptic number.
13142055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13142055 is a deficient number, since it is larger than the sum of its proper divisors (7885257).
13142055 is an equidigital number, since it uses as much as digits as its factorization.
13142055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 876145.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 13142055 is about 3625.1972360135. The cubic root of 13142055 is about 235.9868265653.
Adding to 13142055 its reverse (55024131), we get a palindrome (68166186).
The spelling of 13142055 in words is "thirteen million, one hundred forty-two thousand, fifty-five".
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