Base | Representation |
---|---|
bin | 100111000011001… |
… | …1111001000011110 |
3 | 10101022121022120000 |
4 | 1032012133020132 |
5 | 10140420320410 |
6 | 334004435130 |
7 | 44320364226 |
oct | 11606371036 |
9 | 3338538500 |
10 | 1310323230 |
11 | 612709267 |
12 | 3069a8aa6 |
13 | 17b6109b8 |
14 | c604b086 |
15 | 7a07ddc0 |
hex | 4e19f21e |
1310323230 has 80 divisors (see below), whose sum is σ = 3568086720. Its totient is φ = 344979648.
The previous prime is 1310323213. The next prime is 1310323243. The reversal of 1310323230 is 323230131.
1310323230 is a `hidden beast` number, since 1 + 310 + 32 + 323 + 0 = 666.
1310323230 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53752 + ... + 74228.
It is an arithmetic number, because the mean of its divisors is an integer number (44601084).
Almost surely, 21310323230 is an apocalyptic number.
1310323230 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 1310323230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784043360).
1310323230 is an abundant number, since it is smaller than the sum of its proper divisors (2257763490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1310323230 is a wasteful number, since it uses less digits than its factorization.
1310323230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20575 (or 20566 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 1310323230 is about 36198.3871187654. The cubic root of 1310323230 is about 1094.2741671316.
Adding to 1310323230 its reverse (323230131), we get a palindrome (1633553361).
The spelling of 1310323230 in words is "one billion, three hundred ten million, three hundred twenty-three thousand, two hundred thirty".
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