Base | Representation |
---|---|
bin | 1001000101001001010… |
… | …10011011001101000100 |
3 | 1002211022211110212212221 |
4 | 10202210222123031010 |
5 | 20102434024331322 |
6 | 355155251422124 |
7 | 31353441125266 |
oct | 4424452331504 |
9 | 1084284425787 |
10 | 312000230212 |
11 | 110355aa5930 |
12 | 505742b4944 |
13 | 23563044148 |
14 | 1115abbdb36 |
15 | 81b0e779c7 |
hex | 48a4a9b344 |
312000230212 has 48 divisors (see below), whose sum is σ = 648606369600. Its totient is φ = 129721253760.
The previous prime is 312000230207. The next prime is 312000230219. The reversal of 312000230212 is 212032000213.
It is not an unprimeable number, because it can be changed into a prime (312000230219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6410343 + ... + 6458830.
It is an arithmetic number, because the mean of its divisors is an integer number (13512632700).
Almost surely, 2312000230212 is an apocalyptic number.
It is an amenable number.
312000230212 is an abundant number, since it is smaller than the sum of its proper divisors (336606139388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312000230212 is a wasteful number, since it uses less digits than its factorization.
312000230212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12869236 (or 12869234 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 312000230212 its reverse (212032000213), we get a palindrome (524032230425).
The spelling of 312000230212 in words is "three hundred twelve billion, two hundred thirty thousand, two hundred twelve".
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