Base | Representation |
---|---|
bin | 100111000100111… |
… | …1101100010110110 |
3 | 10101101022121012202 |
4 | 1032021331202312 |
5 | 10141133443410 |
6 | 334040144502 |
7 | 44331210215 |
oct | 11611754266 |
9 | 3341277182 |
10 | 1311234230 |
11 | 613180759 |
12 | 307168132 |
13 | 17b86c557 |
14 | c620707c |
15 | 7a1adca5 |
hex | 4e27d8b6 |
1311234230 has 8 divisors (see below), whose sum is σ = 2360221632. Its totient is φ = 524493688.
The previous prime is 1311234203. The next prime is 1311234269. The reversal of 1311234230 is 324321131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 65561702 + ... + 65561721.
It is an arithmetic number, because the mean of its divisors is an integer number (295027704).
Almost surely, 21311234230 is an apocalyptic number.
1311234230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1311234230 is a deficient number, since it is larger than the sum of its proper divisors (1048987402).
1311234230 is a wasteful number, since it uses less digits than its factorization.
1311234230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131123430.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 1311234230 is about 36210.9683659523. The cubic root of 1311234230 is about 1094.5277058019.
Adding to 1311234230 its reverse (324321131), we get a palindrome (1635555361).
The spelling of 1311234230 in words is "one billion, three hundred eleven million, two hundred thirty-four thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •