Base | Representation |
---|---|
bin | 101101101111111… |
… | …1000111000000001 |
3 | 10221222112110020001 |
4 | 1123133320320001 |
5 | 11120440223311 |
6 | 412154120001 |
7 | 53020005424 |
oct | 13337707001 |
9 | 3858473201 |
10 | 1535086081 |
11 | 718574991 |
12 | 36a120001 |
13 | 1b6058279 |
14 | 107c379bb |
15 | 8eb7a4c1 |
hex | 5b7f8e01 |
1535086081 has 4 divisors (see below), whose sum is σ = 1576574932. Its totient is φ = 1493597232.
The previous prime is 1535086037. The next prime is 1535086097. The reversal of 1535086081 is 1806805351.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1181984400 + 353101681 = 34380^2 + 18791^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1535086081 is a prime.
It is a super-2 number, since 2×15350860812 = 4712978552159877122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 41488813 = 1535086081 / (1 + 5 + 3 + 5 + 0 + 8 + 6 + 0 + 8 + 1).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1535086081.
It is not an unprimeable number, because it can be changed into a prime (1535086001) 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 3 ways as a sum of consecutive naturals, for example, 20744370 + ... + 20744443.
It is an arithmetic number, because the mean of its divisors is an integer number (394143733).
Almost surely, 21535086081 is an apocalyptic number.
It is an amenable number.
1535086081 is a deficient number, since it is larger than the sum of its proper divisors (41488851).
1535086081 is an equidigital number, since it uses as much as digits as its factorization.
1535086081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41488850.
The product of its (nonzero) digits is 28800, while the sum is 37.
The square root of 1535086081 is about 39180.1745912394. The cubic root of 1535086081 is about 1153.5707741636.
The spelling of 1535086081 in words is "one billion, five hundred thirty-five million, eighty-six thousand, eighty-one".
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