Base | Representation |
---|---|
bin | 101011110101011011101… |
… | …011100110100010110101 |
3 | 101122222022002010211000210 |
4 | 223311123223212202311 |
5 | 343323202404344341 |
6 | 10223500342300033 |
7 | 430426566332034 |
oct | 53653353464265 |
9 | 11588262124023 |
10 | 3012310231221 |
11 | a6157165a695 |
12 | 407980727619 |
13 | 18b0a10353a5 |
14 | a5b21bcc71b |
15 | 53555344c16 |
hex | 2bd5bae68b5 |
3012310231221 has 8 divisors (see below), whose sum is σ = 4124965361824. Its totient is φ = 1953930960720.
The previous prime is 3012310231187. The next prime is 3012310231241. The reversal of 3012310231221 is 1221320132103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3012310231221 - 27 = 3012310231093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3012310231241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13568964895 + ... + 13568965116.
It is an arithmetic number, because the mean of its divisors is an integer number (515620670228).
Almost surely, 23012310231221 is an apocalyptic number.
It is an amenable number.
3012310231221 is a deficient number, since it is larger than the sum of its proper divisors (1112655130603).
3012310231221 is a wasteful number, since it uses less digits than its factorization.
3012310231221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27137930051.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 3012310231221 its reverse (1221320132103), we get a palindrome (4233630363324).
The spelling of 3012310231221 in words is "three trillion, twelve billion, three hundred ten million, two hundred thirty-one thousand, two hundred twenty-one".
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