Base | Representation |
---|---|
bin | 100100101100000… |
… | …1000101000111000 |
3 | 10011210110111210110 |
4 | 1021120020220320 |
5 | 10010123013413 |
6 | 322053544320 |
7 | 42335603505 |
oct | 11130105070 |
9 | 3153414713 |
10 | 1231063608 |
11 | 5819a3345 |
12 | 2a43450a0 |
13 | 16807c608 |
14 | b96d84ac |
15 | 731248c3 |
hex | 49608a38 |
1231063608 has 16 divisors (see below), whose sum is σ = 3077659080. Its totient is φ = 410354528.
The previous prime is 1231063597. The next prime is 1231063609. The reversal of 1231063608 is 8063601321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1231063609) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25647135 + ... + 25647182.
Almost surely, 21231063608 is an apocalyptic number.
It is an amenable number.
1231063608 is an abundant number, since it is smaller than the sum of its proper divisors (1846595472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1231063608 is a wasteful number, since it uses less digits than its factorization.
1231063608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51294326 (or 51294322 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 1231063608 is about 35086.5160424913. The cubic root of 1231063608 is about 1071.7500136438.
Adding to 1231063608 its reverse (8063601321), we get a palindrome (9294664929).
The spelling of 1231063608 in words is "one billion, two hundred thirty-one million, sixty-three thousand, six hundred eight".
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