Base | Representation |
---|---|
bin | 110001110010… |
… | …001010111011 |
3 | 220120000222220 |
4 | 301302022323 |
5 | 11320104210 |
6 | 1143415123 |
7 | 215633160 |
oct | 61621273 |
9 | 26500886 |
10 | 13050555 |
11 | 7404091 |
12 | 44544a3 |
13 | 291c22b |
14 | 1a3a067 |
15 | 122bc70 |
hex | c722bb |
13050555 has 16 divisors (see below), whose sum is σ = 23864064. Its totient is φ = 5965920.
The previous prime is 13050553. The next prime is 13050589. The reversal of 13050555 is 55505031.
It is not a de Polignac number, because 13050555 - 21 = 13050553 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13050553) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62041 + ... + 62250.
It is an arithmetic number, because the mean of its divisors is an integer number (1491504).
Almost surely, 213050555 is an apocalyptic number.
13050555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13050555 is a deficient number, since it is larger than the sum of its proper divisors (10813509).
13050555 is a wasteful number, since it uses less digits than its factorization.
13050555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124306.
The product of its (nonzero) digits is 1875, while the sum is 24.
The square root of 13050555 is about 3612.5551898898. Note that the first 3 decimals coincide. The cubic root of 13050555 is about 235.4378738129.
Adding to 13050555 its reverse (55505031), we get a palindrome (68555586).
The spelling of 13050555 in words is "thirteen million, fifty thousand, five hundred fifty-five".
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