| Base | Representation |
|---|---|
| bin | 10110111010101001… |
| … | …01101111011010000 |
| 3 | 1011202102111202222100 |
| 4 | 23131110231323100 |
| 5 | 200144100132240 |
| 6 | 5352454440400 |
| 7 | 613611611415 |
| oct | 133524557320 |
| 9 | 34672452870 |
| 10 | 12303130320 |
| 11 | 52438839a8 |
| 12 | 2474363100 |
| 13 | 1210bba390 |
| 14 | 849da810c |
| 15 | 4c019be30 |
| hex | 2dd52ded0 |
12303130320 has 120 divisors (see below), whose sum is σ = 44496355176. Its totient is φ = 3028460544.
The previous prime is 12303130303. The next prime is 12303130349. The reversal of 12303130320 is 2303130321.
12303130320 is a `hidden beast` number, since 1 + 2 + 30 + 313 + 0 + 320 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 942981264 + 11360149056 = 30708^2 + 106584^2 .
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 12303130293 and 12303130302.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 647859 + ... + 666578.
Almost surely, 212303130320 is an apocalyptic number.
12303130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12303130320 is an abundant number, since it is smaller than the sum of its proper divisors (32193224856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12303130320 is a wasteful number, since it uses less digits than its factorization.
12303130320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1314469 (or 1314460 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 12303130320 its reverse (2303130321), we get a palindrome (14606260641).
Subtracting from 12303130320 its reverse (2303130321), we obtain a palindrome (9999999999).
It can be divided in two parts, 123031 and 30320, that added together give a palindrome (153351).
The spelling of 12303130320 in words is "twelve billion, three hundred three million, one hundred thirty thousand, three hundred twenty".
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