Base | Representation |
---|---|
bin | 100011011111001000001011… |
… | …0011110001011001100011101 |
3 | 1111221012102120021002212102000 |
4 | 1012332100112132023030131 |
5 | 311403111112033304041 |
6 | 3023511442220152513 |
7 | 122514321243461460 |
oct | 10676202636131435 |
9 | 1457172507085360 |
10 | 312141420213021 |
11 | 90504484222533 |
12 | 2b013122098739 |
13 | 10522a6a991509 |
14 | 5711a224d72d7 |
15 | 26147abed9bb6 |
hex | 11be41678b31d |
312141420213021 has 32 divisors (see below), whose sum is σ = 539737950535680. Its totient is φ = 174571493366448.
The previous prime is 312141420212953. The next prime is 312141420213041. The reversal of 312141420213021 is 120312024141213.
312141420213021 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 4 + 1 + 420 + 213 + 0 + 21 = 666.
It is not a de Polignac number, because 312141420213021 - 27 = 312141420212893 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312141420213041) 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, 17569585861 + ... + 17569603626.
It is an arithmetic number, because the mean of its divisors is an integer number (16866810954240).
Almost surely, 2312141420213021 is an apocalyptic number.
It is an amenable number.
312141420213021 is a deficient number, since it is larger than the sum of its proper divisors (227596530322659).
312141420213021 is a wasteful number, since it uses less digits than its factorization.
312141420213021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35139189550 (or 35139189544 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
Adding to 312141420213021 its reverse (120312024141213), we get a palindrome (432453444354234).
The spelling of 312141420213021 in words is "three hundred twelve trillion, one hundred forty-one billion, four hundred twenty million, two hundred thirteen thousand, twenty-one".
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