Base | Representation |
---|---|
bin | 100111101011010… |
… | …0111110010110110 |
3 | 10102210010120202001 |
4 | 1033112213302312 |
5 | 10211310031410 |
6 | 340035005514 |
7 | 44664056146 |
oct | 11726476266 |
9 | 3383116661 |
10 | 1331330230 |
11 | 62355711a |
12 | 311a3989a |
13 | 182a87589 |
14 | c8b58926 |
15 | 7bd2d33a |
hex | 4f5a7cb6 |
1331330230 has 32 divisors (see below), whose sum is σ = 2439160128. Its totient is φ = 523084800.
The previous prime is 1331330219. The next prime is 1331330239. The reversal of 1331330230 is 320331331.
It is a junction number, because it is equal to n+sod(n) for n = 1331330198 and 1331330207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1331330239) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 196174 + ... + 202846.
It is an arithmetic number, because the mean of its divisors is an integer number (76223754).
Almost surely, 21331330230 is an apocalyptic number.
1331330230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1331330230 is a deficient number, since it is larger than the sum of its proper divisors (1107829898).
1331330230 is a wasteful number, since it uses less digits than its factorization.
1331330230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7032.
The product of its (nonzero) digits is 486, while the sum is 19.
The square root of 1331330230 is about 36487.3982355552. The cubic root of 1331330230 is about 1100.0909649292.
Adding to 1331330230 its reverse (320331331), we get a palindrome (1651661561).
The spelling of 1331330230 in words is "one billion, three hundred thirty-one million, three hundred thirty thousand, two hundred thirty".
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