Base | Representation |
---|---|
bin | 100111000111000… |
… | …0111011010011110 |
3 | 10101110100221001002 |
4 | 1032032013122132 |
5 | 10141423320410 |
6 | 334115350302 |
7 | 44343364151 |
oct | 11616073236 |
9 | 3343327032 |
10 | 1312323230 |
11 | 613854959 |
12 | 3075b2392 |
13 | 17bb6112a |
14 | c640bc98 |
15 | 7a3267a5 |
hex | 4e38769e |
1312323230 has 16 divisors (see below), whose sum is σ = 2363814144. Its totient is φ = 524566560.
The previous prime is 1312323223. The next prime is 1312323239. The reversal of 1312323230 is 323232131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312323239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29897 + ... + 59316.
It is an arithmetic number, because the mean of its divisors is an integer number (147738384).
Almost surely, 21312323230 is an apocalyptic number.
1312323230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1312323230 is a deficient number, since it is larger than the sum of its proper divisors (1051490914).
1312323230 is a wasteful number, since it uses less digits than its factorization.
1312323230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90691.
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 1312323230 is about 36226.0021255451. The cubic root of 1312323230 is about 1094.8306292668.
Adding to 1312323230 its reverse (323232131), we get a palindrome (1635555361).
The spelling of 1312323230 in words is "one billion, three hundred twelve million, three hundred twenty-three thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •