Base | Representation |
---|---|
bin | 11100001011110011… |
… | …10001001001111000 |
3 | 1110001112102112101201 |
4 | 32011321301021320 |
5 | 221442120241120 |
6 | 10541250423544 |
7 | 1043653623001 |
oct | 160571611170 |
9 | 43045375351 |
10 | 15131415160 |
11 | 6465320194 |
12 | 2b23591bb4 |
13 | 1571b3b9c4 |
14 | a378721a8 |
15 | 5d862240a |
hex | 385e71278 |
15131415160 has 32 divisors (see below), whose sum is σ = 34078172400. Its totient is φ = 6046790400.
The previous prime is 15131415121. The next prime is 15131415161. The reversal of 15131415160 is 6151413151.
15131415160 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 not an unprimeable number, because it can be changed into a prime (15131415161) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 137925 + ... + 222004.
Almost surely, 215131415160 is an apocalyptic number.
15131415160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15131415160 is an abundant number, since it is smaller than the sum of its proper divisors (18946757240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15131415160 is a wasteful number, since it uses less digits than its factorization.
15131415160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 360991 (or 360987 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 28.
The spelling of 15131415160 in words is "fifteen billion, one hundred thirty-one million, four hundred fifteen thousand, one hundred sixty".
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