Base | Representation |
---|---|
bin | 10110111011101101… |
… | …11110111101101011 |
3 | 1011210001102010220022 |
4 | 23131312332331223 |
5 | 200203400104003 |
6 | 5353415151055 |
7 | 614051143121 |
oct | 133566767553 |
9 | 34701363808 |
10 | 12312113003 |
11 | 5248959803 |
12 | 247737548b |
13 | 1212a13b88 |
14 | 84b265911 |
15 | 4c0d73738 |
hex | 2dddbef6b |
12312113003 has 4 divisors (see below), whose sum is σ = 12847422288. Its totient is φ = 11776803720.
The previous prime is 12312112919. The next prime is 12312113017. The reversal of 12312113003 is 30031121321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30031121321 = 23 ⋅1305700927.
It is a cyclic number.
It is not a de Polignac number, because 12312113003 - 214 = 12312096619 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12312113083) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267654608 + ... + 267654653.
It is an arithmetic number, because the mean of its divisors is an integer number (3211855572).
Almost surely, 212312113003 is an apocalyptic number.
12312113003 is a deficient number, since it is larger than the sum of its proper divisors (535309285).
12312113003 is an equidigital number, since it uses as much as digits as its factorization.
12312113003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 535309284.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 12312113003 its reverse (30031121321), we get a palindrome (42343234324).
The spelling of 12312113003 in words is "twelve billion, three hundred twelve million, one hundred thirteen thousand, three".
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