Base | Representation |
---|---|
bin | 110001000111110100… |
… | …0100110011001000001 |
3 | 101002021201011102201001 |
4 | 1202033220212121001 |
5 | 3212020141000001 |
6 | 120243323212001 |
7 | 10423054463650 |
oct | 1421750463101 |
9 | 332251142631 |
10 | 105489000001 |
11 | 40812877040 |
12 | 18540077001 |
13 | 9c41a71638 |
14 | 516a053197 |
15 | 2b26085001 |
hex | 188fa26641 |
105489000001 has 16 divisors (see below), whose sum is σ = 131525867520. Its totient is φ = 82194774480.
The previous prime is 105488999953. The next prime is 105489000017. The reversal of 105489000001 is 100000984501.
It is a happy number.
It is not a de Polignac number, because 105489000001 - 27 = 105488999873 is a prime.
It is a super-2 number, since 2×1054890000012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (105489000091) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2701720 + ... + 2740486.
It is an arithmetic number, because the mean of its divisors is an integer number (8220366720).
Almost surely, 2105489000001 is an apocalyptic number.
105489000001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
105489000001 is a deficient number, since it is larger than the sum of its proper divisors (26036867519).
105489000001 is a wasteful number, since it uses less digits than its factorization.
105489000001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74124.
The product of its (nonzero) digits is 1440, while the sum is 28.
Adding to 105489000001 its reverse (100000984501), we get a palindrome (205489984502).
The spelling of 105489000001 in words is "one hundred five billion, four hundred eighty-nine million, one", and thus it is an aban number.
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