Base | Representation |
---|---|
bin | 1001000101010110111… |
… | …00100000010000101101 |
3 | 1002211121202121002002011 |
4 | 10202223130200100231 |
5 | 20103202142141141 |
6 | 355214434401221 |
7 | 31356322260136 |
oct | 4425334402055 |
9 | 1084552532064 |
10 | 312114021421 |
11 | 110404256954 |
12 | 505a6430211 |
13 | 235807a6017 |
14 | 1116bd60c8d |
15 | 81bae53881 |
hex | 48ab72042d |
312114021421 has 8 divisors (see below), whose sum is σ = 328546915200. Its totient is φ = 295681711680.
The previous prime is 312114021403. The next prime is 312114021449. The reversal of 312114021421 is 124120411213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 312114021421 - 217 = 312113890349 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 312114021392 and 312114021401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312114021221) 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, 1337541 + ... + 1553461.
It is an arithmetic number, because the mean of its divisors is an integer number (41068364400).
Almost surely, 2312114021421 is an apocalyptic number.
It is an amenable number.
312114021421 is a deficient number, since it is larger than the sum of its proper divisors (16432893779).
312114021421 is a wasteful number, since it uses less digits than its factorization.
312114021421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 292019.
The product of its (nonzero) digits is 384, while the sum is 22.
Adding to 312114021421 its reverse (124120411213), we get a palindrome (436234432634).
The spelling of 312114021421 in words is "three hundred twelve billion, one hundred fourteen million, twenty-one thousand, four hundred twenty-one".
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