Base | Representation |
---|---|
bin | 11001000011110111… |
… | …00001000110000001 |
3 | 1021201122100201222100 |
4 | 30201323201012001 |
5 | 210023230331230 |
6 | 10103013101013 |
7 | 654256256064 |
oct | 144173410601 |
9 | 37648321870 |
10 | 13454152065 |
11 | 5784577642 |
12 | 2735927769 |
13 | 13654c3533 |
14 | 918bc88db |
15 | 53b260660 |
hex | 321ee1181 |
13454152065 has 12 divisors (see below), whose sum is σ = 23320530324. Its totient is φ = 7175547744.
The previous prime is 13454152043. The next prime is 13454152093. The reversal of 13454152065 is 56025145431.
13454152065 is a `hidden beast` number, since 1 + 3 + 4 + 541 + 52 + 0 + 65 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 10350213696 + 3103938369 = 101736^2 + 55713^2 .
It is not a de Polignac number, because 13454152065 - 27 = 13454151937 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149490534 + ... + 149490623.
It is an arithmetic number, because the mean of its divisors is an integer number (1943377527).
Almost surely, 213454152065 is an apocalyptic number.
13454152065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13454152065 is a deficient number, since it is larger than the sum of its proper divisors (9866378259).
13454152065 is a wasteful number, since it uses less digits than its factorization.
13454152065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 298981168 (or 298981165 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 36.
Adding to 13454152065 its reverse (56025145431), we get a palindrome (69479297496).
The spelling of 13454152065 in words is "thirteen billion, four hundred fifty-four million, one hundred fifty-two thousand, sixty-five".
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