Base | Representation |
---|---|
bin | 100011011111001000000010… |
… | …1111001000010001101001101 |
3 | 1111221012101211212200021201011 |
4 | 1012332100011321002031031 |
5 | 311403110024330311141 |
6 | 3023511354442045221 |
7 | 122514311325164530 |
oct | 10676200571021515 |
9 | 1457171755607634 |
10 | 312141142041421 |
11 | 905043511a8050 |
12 | 2b013064aa9811 |
13 | 10522a25167134 |
14 | 57119d75a6a17 |
15 | 261479288d881 |
hex | 11be405e4234d |
312141142041421 has 32 divisors (see below), whose sum is σ = 392776961068800. Its totient is φ = 240969991879680.
The previous prime is 312141142041397. The next prime is 312141142041467. The reversal of 312141142041421 is 124140241141213.
It is a happy number.
It is not a de Polignac number, because 312141142041421 - 215 = 312141142008653 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312141142047421) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12322275 + ... + 27858943.
It is an arithmetic number, because the mean of its divisors is an integer number (12274280033400).
Almost surely, 2312141142041421 is an apocalyptic number.
It is an amenable number.
312141142041421 is a deficient number, since it is larger than the sum of its proper divisors (80635819027379).
312141142041421 is a wasteful number, since it uses less digits than its factorization.
312141142041421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15539109.
The product of its (nonzero) digits is 6144, while the sum is 31.
Adding to 312141142041421 its reverse (124140241141213), we get a palindrome (436281383182634).
The spelling of 312141142041421 in words is "three hundred twelve trillion, one hundred forty-one billion, one hundred forty-two million, forty-one thousand, four hundred twenty-one".
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