Base | Representation |
---|---|
bin | 100100101010101… |
… | …0001100000111010 |
3 | 10011202001101212210 |
4 | 1021111101200322 |
5 | 10004430013110 |
6 | 322025515550 |
7 | 42326330625 |
oct | 11125214072 |
9 | 3152041783 |
10 | 1230313530 |
11 | 581530846 |
12 | 2a4042bb6 |
13 | 167b79094 |
14 | b9580dbc |
15 | 73027520 |
hex | 4955183a |
1230313530 has 32 divisors (see below), whose sum is σ = 2993206464. Its totient is φ = 323588736.
The previous prime is 1230313519. The next prime is 1230313541. The reversal of 1230313530 is 353130321.
It is an interprime number because it is at equal distance from previous prime (1230313519) and next prime (1230313541).
It is a junction number, because it is equal to n+sod(n) for n = 1230313497 and 1230313506.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278704 + ... + 283083.
It is an arithmetic number, because the mean of its divisors is an integer number (93537702).
Almost surely, 21230313530 is an apocalyptic number.
1230313530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1230313530 is an abundant number, since it is smaller than the sum of its proper divisors (1762892934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230313530 is a wasteful number, since it uses less digits than its factorization.
1230313530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 561870.
The product of its (nonzero) digits is 810, while the sum is 21.
The square root of 1230313530 is about 35075.8254357613. The cubic root of 1230313530 is about 1071.5322996209.
Adding to 1230313530 its reverse (353130321), we get a palindrome (1583443851).
The spelling of 1230313530 in words is "one billion, two hundred thirty million, three hundred thirteen thousand, five hundred thirty".
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