Base | Representation |
---|---|
bin | 11000011000100100… |
… | …10011111101001010 |
3 | 1020210100002011111220 |
4 | 30030102103331022 |
5 | 203302300410220 |
6 | 10003002102510 |
7 | 642256623516 |
oct | 141422237512 |
9 | 36710064456 |
10 | 13091028810 |
11 | 56085a9782 |
12 | 26541aaa36 |
13 | 13081c3cc2 |
14 | 8c28a3146 |
15 | 519433540 |
hex | 30c493f4a |
13091028810 has 32 divisors (see below), whose sum is σ = 31421727360. Its totient is φ = 3490579008.
The previous prime is 13091028799. The next prime is 13091028883. The reversal of 13091028810 is 1882019031.
It is a super-2 number, since 2×130910288102 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402331 + ... + 433649.
It is an arithmetic number, because the mean of its divisors is an integer number (981928980).
Almost surely, 213091028810 is an apocalyptic number.
13091028810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13091028810 is an abundant number, since it is smaller than the sum of its proper divisors (18330698550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13091028810 is a wasteful number, since it uses less digits than its factorization.
13091028810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45262.
The product of its (nonzero) digits is 3456, while the sum is 33.
The spelling of 13091028810 in words is "thirteen billion, ninety-one million, twenty-eight thousand, eight hundred ten".
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