Base | Representation |
---|---|
bin | 11000101000100110… |
… | …00000110110011110 |
3 | 1021010200222110212200 |
4 | 30110103000312132 |
5 | 204041202233210 |
6 | 10024202512330 |
7 | 645511206132 |
oct | 142423006636 |
9 | 37120873780 |
10 | 13225430430 |
11 | 56774576a3 |
12 | 26912056a6 |
13 | 1329cc10a4 |
14 | 8d668b3c2 |
15 | 5261310c0 |
hex | 3144c0d9e |
13225430430 has 48 divisors (see below), whose sum is σ = 34597115280. Its totient is φ = 3505140864.
The previous prime is 13225430429. The next prime is 13225430437. The reversal of 13225430430 is 3403452231.
13225430430 is a `hidden beast` number, since 1 + 3 + 225 + 4 + 3 + 0 + 430 = 666.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13225430394 and 13225430403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13225430437) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436095 + ... + 465434.
It is an arithmetic number, because the mean of its divisors is an integer number (720773235).
Almost surely, 213225430430 is an apocalyptic number.
13225430430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13225430430 is an abundant number, since it is smaller than the sum of its proper divisors (21371684850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13225430430 is a wasteful number, since it uses less digits than its factorization.
13225430430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 901705 (or 901702 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 27.
Adding to 13225430430 its reverse (3403452231), we get a palindrome (16628882661).
The spelling of 13225430430 in words is "thirteen billion, two hundred twenty-five million, four hundred thirty thousand, four hundred thirty".
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