Base | Representation |
---|---|
bin | 11000001111010100… |
… | …10110011000001001 |
3 | 1020120221002110022022 |
4 | 30013222112120021 |
5 | 203122420202410 |
6 | 5551151134225 |
7 | 640325310164 |
oct | 140752263011 |
9 | 36527073268 |
10 | 13013444105 |
11 | 5578828192 |
12 | 2632214375 |
13 | 12c50cb0ac |
14 | 8b6468adb |
15 | 51270a455 |
hex | 307a96609 |
13013444105 has 32 divisors (see below), whose sum is σ = 16142886144. Its totient is φ = 10065113856.
The previous prime is 13013444063. The next prime is 13013444107. The reversal of 13013444105 is 50144431031.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 13013444105 - 222 = 13009249801 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13013444107) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10519547 + ... + 10520783.
It is an arithmetic number, because the mean of its divisors is an integer number (504465192).
Almost surely, 213013444105 is an apocalyptic number.
It is an amenable number.
13013444105 is a deficient number, since it is larger than the sum of its proper divisors (3129442039).
13013444105 is a wasteful number, since it uses less digits than its factorization.
13013444105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1745.
The product of its (nonzero) digits is 2880, while the sum is 26.
Adding to 13013444105 its reverse (50144431031), we get a palindrome (63157875136).
The spelling of 13013444105 in words is "thirteen billion, thirteen million, four hundred forty-four thousand, one hundred five".
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