Base | Representation |
---|---|
bin | 11000011100000001… |
… | …10101010011001110 |
3 | 1020212100121010012111 |
4 | 30032000311103032 |
5 | 203332210014410 |
6 | 10005515054234 |
7 | 643061112310 |
oct | 141600652316 |
9 | 36770533174 |
10 | 13120001230 |
11 | 5622998126 |
12 | 2661a4137a |
13 | 13111c934b |
14 | 8c66857b0 |
15 | 51bc57b8a |
hex | 30e0354ce |
13120001230 has 64 divisors (see below), whose sum is σ = 27677583360. Its totient is φ = 4383878400.
The previous prime is 13120001221. The next prime is 13120001263. The reversal of 13120001230 is 3210002131.
It is a self number, because there is not a number n which added to its sum of digits gives 13120001230.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3611515 + ... + 3615145.
It is an arithmetic number, because the mean of its divisors is an integer number (432462240).
Almost surely, 213120001230 is an apocalyptic number.
13120001230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13120001230 is an abundant number, since it is smaller than the sum of its proper divisors (14557582130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13120001230 is a wasteful number, since it uses less digits than its factorization.
13120001230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4945.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 13120001230 its reverse (3210002131), we get a palindrome (16330003361).
Subtracting from 13120001230 its reverse (3210002131), we obtain a palindrome (9909999099).
The spelling of 13120001230 in words is "thirteen billion, one hundred twenty million, one thousand, two hundred thirty".
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