Base | Representation |
---|---|
bin | 11100011010011100… |
… | …10001010001111100 |
3 | 1110101002112011212200 |
4 | 32031032101101330 |
5 | 222220040331030 |
6 | 11001355031500 |
7 | 1050004550112 |
oct | 161516212174 |
9 | 43332464780 |
10 | 15254230140 |
11 | 6518684976 |
12 | 2b5873b590 |
13 | 159140cca6 |
14 | a49cc1ab2 |
15 | 5e42d1d60 |
hex | 38d39147c |
15254230140 has 72 divisors (see below), whose sum is σ = 47763800448. Its totient is φ = 3936574080.
The previous prime is 15254230129. The next prime is 15254230153. The reversal of 15254230140 is 4103245251.
15254230140 is a `hidden beast` number, since 1 + 52 + 542 + 30 + 1 + 40 = 666.
15254230140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1361287 + ... + 1372446.
Almost surely, 215254230140 is an apocalyptic number.
15254230140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15254230140 is an abundant number, since it is smaller than the sum of its proper divisors (32509570308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15254230140 is a wasteful number, since it uses less digits than its factorization.
15254230140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2733779 (or 2733774 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
Adding to 15254230140 its reverse (4103245251), we get a palindrome (19357475391).
The spelling of 15254230140 in words is "fifteen billion, two hundred fifty-four million, two hundred thirty thousand, one hundred forty".
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