Base | Representation |
---|---|
bin | 110001110010… |
… | …011101111000 |
3 | 220120002122211 |
4 | 301302131320 |
5 | 11320124033 |
6 | 1143424504 |
7 | 215636542 |
oct | 61623570 |
9 | 26502584 |
10 | 13051768 |
11 | 7404a94 |
12 | 4455134 |
13 | 291c952 |
14 | 1a3a692 |
15 | 122c2cd |
hex | c72778 |
13051768 has 8 divisors (see below), whose sum is σ = 24472080. Its totient is φ = 6525880.
The previous prime is 13051763. The next prime is 13051771. The reversal of 13051768 is 86715031.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13051763) 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 as a sum of consecutive naturals, namely, 815728 + ... + 815743.
It is an arithmetic number, because the mean of its divisors is an integer number (3059010).
Almost surely, 213051768 is an apocalyptic number.
It is an amenable number.
13051768 is a deficient number, since it is larger than the sum of its proper divisors (11420312).
13051768 is a wasteful number, since it uses less digits than its factorization.
13051768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1631477 (or 1631473 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 31.
The square root of 13051768 is about 3612.7230726974. The cubic root of 13051768 is about 235.4451679418.
Adding to 13051768 its reverse (86715031), we get a palindrome (99766799).
The spelling of 13051768 in words is "thirteen million, fifty-one thousand, seven hundred sixty-eight".
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