Base | Representation |
---|---|
bin | 10110111011101101… |
… | …11100111000000111 |
3 | 1011210001101201011201 |
4 | 23131312330320013 |
5 | 200203344320310 |
6 | 5353415043331 |
7 | 614051106160 |
oct | 133566747007 |
9 | 34701351151 |
10 | 12312104455 |
11 | 5248953342 |
12 | 2477370547 |
13 | 1212a10011 |
14 | 84b262767 |
15 | 4c0d70e3a |
hex | 2dddbce07 |
12312104455 has 8 divisors (see below), whose sum is σ = 16885171872. Its totient is φ = 8442585888.
The previous prime is 12312104437. The next prime is 12312104477. The reversal of 12312104455 is 55440121321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12312104455 - 213 = 12312096263 is a prime.
It is a super-2 number, since 2×123121044552 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175887172 + ... + 175887241.
It is an arithmetic number, because the mean of its divisors is an integer number (2110646484).
Almost surely, 212312104455 is an apocalyptic number.
12312104455 is a deficient number, since it is larger than the sum of its proper divisors (4573067417).
12312104455 is an equidigital number, since it uses as much as digits as its factorization.
12312104455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 351774425.
The product of its (nonzero) digits is 4800, while the sum is 28.
Adding to 12312104455 its reverse (55440121321), we get a palindrome (67752225776).
The spelling of 12312104455 in words is "twelve billion, three hundred twelve million, one hundred four thousand, four hundred fifty-five".
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