Base | Representation |
---|---|
bin | 100111001000111… |
… | …1011000100001110 |
3 | 10101112020122001001 |
4 | 1032101323010032 |
5 | 10142202234410 |
6 | 334153010514 |
7 | 44355021604 |
oct | 11621730416 |
9 | 3345218031 |
10 | 1313321230 |
11 | 614376751 |
12 | 3079b3a3a |
13 | 17c120470 |
14 | c65cb874 |
15 | 7a47233a |
hex | 4e47b10e |
1313321230 has 64 divisors (see below), whose sum is σ = 2837540160. Its totient is φ = 432359424.
The previous prime is 1313321209. The next prime is 1313321257. The reversal of 1313321230 is 321233131.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 1313321198 and 1313321207.
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, 26352 + ... + 57628.
It is an arithmetic number, because the mean of its divisors is an integer number (44336565).
Almost surely, 21313321230 is an apocalyptic number.
1313321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1313321230 is an abundant number, since it is smaller than the sum of its proper divisors (1524218930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1313321230 is a wasteful number, since it uses less digits than its factorization.
1313321230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31333.
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 1313321230 is about 36239.7741438878. The cubic root of 1313321230 is about 1095.1080924409.
Adding to 1313321230 its reverse (321233131), we get a palindrome (1634554361).
The spelling of 1313321230 in words is "one billion, three hundred thirteen million, three hundred twenty-one thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.099 sec. • engine limits •