Base | Representation |
---|---|
bin | 10100111101110000… |
… | …00100000000111110 |
3 | 1002001102002011000100 |
4 | 22132320010000332 |
5 | 141022342244410 |
6 | 5100510541530 |
7 | 545630405211 |
oct | 123670040076 |
9 | 32042064010 |
10 | 11255431230 |
11 | 485644108a |
12 | 22215078a6 |
13 | 10a4b1c1a4 |
14 | 78aba1778 |
15 | 45d1e78c0 |
hex | 29ee0403e |
11255431230 has 96 divisors (see below), whose sum is σ = 31038362784. Its totient is φ = 2820077568.
The previous prime is 11255431219. The next prime is 11255431241. The reversal of 11255431230 is 3213455211.
11255431230 is a `hidden beast` number, since 112 + 5 + 543 + 1 + 2 + 3 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (11255431219) and next prime (11255431241).
It is a junction number, because it is equal to n+sod(n) for n = 11255431194 and 11255431203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 938049 + ... + 949971.
It is an arithmetic number, because the mean of its divisors is an integer number (323316279).
Almost surely, 211255431230 is an apocalyptic number.
11255431230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 11255431230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15519181392).
11255431230 is an abundant number, since it is smaller than the sum of its proper divisors (19782931554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11255431230 is a wasteful number, since it uses less digits than its factorization.
11255431230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12570 (or 12567 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
Adding to 11255431230 its reverse (3213455211), we get a palindrome (14468886441).
The spelling of 11255431230 in words is "eleven billion, two hundred fifty-five million, four hundred thirty-one thousand, two hundred thirty".
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